* Makefile.tpl (touch-stage[+id+]): New.
(restage[+prev+]): Depend on touch-stage[+id+].
* Makefile.tpl (RECURSE_FLAGS_TO_PASS): New.
Use it throughout.
* Makefile.def: Add profile and feedback bootstrap stages.
Remove next field from bootstrap stages.
* Makefile.tpl (LN, LN_S): Substitute.
(stageN-start, stageN-end): Use double-colon rules, to
provide a hook for additional setup commands.
(distclean-stageN-gcc, restageN): Create dependencies from
[+prev+], not from [+next+].
(stageN-bubble): Add commands for successive stages from
[+prev+], using double-colon rules.
(all-stageN-gcc): Fix typo.
(stagefeedback-start, profiledbootstrap): New.
* Makefile.in: Regenerate.
* configure.in: Call ACX_PROG_LN.
* configure: Regenerate.
config/ChangeLog:
2004-06-09 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (ACX_PROG_LN): From gcc, modified to
accept a parameter.
+2004-06-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * Makefile.tpl (touch-stage[+id+]): New.
+ (restage[+prev+]): Depend on touch-stage[+id+].
+
+ * Makefile.tpl (RECURSE_FLAGS_TO_PASS): New.
+ Use it throughout.
+
+ * Makefile.def: Add profile and feedback bootstrap stages.
+ Remove next field from bootstrap stages.
+ * Makefile.tpl (LN, LN_S): Substitute.
+ (stageN-start, stageN-end): Use double-colon rules, to
+ provide a hook for additional setup commands.
+ (distclean-stageN-gcc, restageN): Create dependencies from
+ [+prev+], not from [+next+].
+ (stageN-bubble): Add commands for successive stages from
+ [+prev+], using double-colon rules.
+ (all-stageN-gcc): Fix typo.
+ (stagefeedback-start, profiledbootstrap): New.
+ * Makefile.in: Regenerate.
+ * configure.in: Call ACX_PROG_LN.
+ * configure: Regenerate.
+
2004-06-03 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Fix --enable-bootstrap breakage introduced in trees
// Toplevel bootstrap
bootstrap_stage = {
- id=1 ; next=2 ;
+ id=1 ;
extra_configure_flags='--disable-intermodule \
--disable-coverage --enable-languages="$(STAGE1_LANGUAGES)"' ;
extra_make_flags='CFLAGS="$(STAGE1_CFLAGS)"' ; };
bootstrap_stage = {
- id=2 ; prev=1 ; next=3 ;
+ id=2 ; prev=1 ;
bootstrap_target=bootstrap2 ;
extra_configure_flags="@stage2_werror_flag@" ;
- extra_make_flags="$(POSTSTAGE1_FLAGS_TO_PASS)" ; };
+ extra_make_flags="" ; };
bootstrap_stage = {
- id=3 ; prev=2 ; next=4 ;
+ id=3 ; prev=2 ;
compare_target=compare ;
bootstrap_target=bootstrap ;
cleanstrap_target=cleanstrap ;
extra_configure_flags="@stage2_werror_flag@" ;
- extra_make_flags="$(POSTSTAGE1_FLAGS_TO_PASS)" ; };
+ extra_make_flags="" ; };
bootstrap_stage = {
id=4 ; prev=3 ;
compare_target=compare3 ;
bootstrap_target=bootstrap4 ;
extra_configure_flags="@stage2_werror_flag@" ;
- extra_make_flags="$(POSTSTAGE1_FLAGS_TO_PASS)" ; };
+ extra_make_flags="" ; };
+bootstrap_stage = {
+ id=profile ; prev=1 ;
+ extra_configure_flags="@stage2_werror_flag@" ;
+ extra_make_flags='CFLAGS="$(BOOT_CFLAGS) -fprofile-generate"' ; };
+bootstrap_stage = {
+ id=feedback ; prev=1 ;
+ extra_configure_flags="@stage2_werror_flag@" ;
+ extra_make_flags='CFLAGS="$(BOOT_CFLAGS) -fprofile-use"' ; };
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_DATA = @INSTALL_DATA@
+LN = @LN@
+LN_S = @LN_S@
# -------------------------------------------------
# Miscellaneous non-standard autoconf-set variables
CXX_FOR_TARGET='$(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
RAW_CXX_FOR_TARGET='$(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
+RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS)
+
# Flags to pass down to most sub-makes, in which we're building with
# the host environment.
EXTRA_HOST_FLAGS = \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
profiledbootstrap: all-bootstrap configure-gcc
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries and training compiler"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(SET_LIB_PATH) \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- LANGUAGES="c c++" all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) LANGUAGES="c c++" all
@endif gcc-no-bootstrap
.PHONY: check-gcc maybe-check-gcc
# Real targets act phony if they depend on phony targets; this hack
# prevents gratuitous rebuilding of stage 1.
prebootstrap:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-bootstrap
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-bootstrap
$(STAMP) prebootstrap
# Flags to pass to stage2 and later makes.
BOOT_CFLAGS= -g -O2
POSTSTAGE1_FLAGS_TO_PASS = \
+ CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
+ STAGE_PREFIX=$$r/stage-gcc/ \
CFLAGS="$(BOOT_CFLAGS)" \
ADAC="\$$(CC)"
.PHONY: stage1-start stage1-end
-stage1-start:
+stage1-start::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
echo stage1 > stage_last ; \
[ -d stage1-gcc ] || mkdir stage1-gcc; \
set stage1-gcc gcc ; @CREATE_LINK_TO_DIR@
-stage1-end:
+stage1-end::
rm -f stage_last ; \
set gcc stage1-gcc ; @UNDO_LINK_TO_DIR@
# are remade, but not reconfigured. The next stage (if any) will not
# be reconfigured as well.
.PHONY: stage1-bubble
-stage1-bubble:
+stage1-bubble::
@if [ -f all-stage1-gcc ] ; then \
echo Remaking stage 1 ; \
rm -f all-stage1-gcc ; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- all-stage1-gcc && \
- if [ -f configure-stage2-gcc ] ; then \
- $(STAMP) configure-stage2-gcc ; \
- fi ; \
- else \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage1-gcc ; \
- fi
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage1-gcc
+
+
configure-stage1-gcc: prebootstrap
$(MAKE) stage1-start
-.PHONY: restage1 distclean-stage1
+.PHONY: restage1 touch-stage1 distclean-stage1
+
+# Rules to wipe a stage and all the following ones, used for cleanstrap
-distclean-stage1: distclean-stage2
+distclean-stage1::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
rm -rf configure-stage1-gcc all-stage1-gcc stage1-gcc
-restage1: distclean-stage2
+# Rules to renew the timestamp on a stage and all the following ones
+
+touch-stage1::
+ @[ -f configure-stage1-gcc ] && \
+ echo '$(STAMP) configure-stage1-gcc' && \
+ $(STAMP) configure-stage1-gcc; \
+ [ -f all-stage1-gcc ] && \
+ echo '$(STAMP) all-stage1-gcc' && \
+ $(STAMP) all-stage1-gcc; \
+ :
+
+# After building a stage, touch the following ones
+
+restage1::
rm -rf all-stage1-gcc
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage1-gcc
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage1-gcc
.PHONY: stage2-start stage2-end
-stage2-start:
+stage2-start::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
echo stage2 > stage_last ; \
[ -d stage2-gcc ] || mkdir stage2-gcc; \
set stage2-gcc gcc ; @CREATE_LINK_TO_DIR@ ; \
set stage1-gcc prev-gcc ; @CREATE_LINK_TO_DIR@
-stage2-end:
+stage2-end::
rm -f stage_last ; \
set gcc stage2-gcc ; @UNDO_LINK_TO_DIR@ ; \
set prev-gcc stage1-gcc ; @UNDO_LINK_TO_DIR@
# are remade, but not reconfigured. The next stage (if any) will not
# be reconfigured as well.
.PHONY: stage2-bubble
-stage2-bubble: stage1-bubble
+stage2-bubble:: stage1-bubble
@if [ -f all-stage2-gcc ] ; then \
echo Remaking stage 2 ; \
rm -f all-stage2-gcc ; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- all-stage2-gcc && \
- if [ -f configure-stage3-gcc ] ; then \
- $(STAMP) configure-stage3-gcc ; \
- fi ; \
- else \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage2-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage2-gcc
+
+
+stage1-bubble::
+ @if [ -f configure-stage2-gcc ] ; then \
+ $(STAMP) configure-stage2-gcc ; \
fi
+
configure-stage2-gcc: all-stage1-gcc
$(MAKE) stage2-start
@if [ -f stage2-gcc/Makefile ] ; then \
$(STAGE_HOST_EXPORTS) \
cd gcc && \
$(MAKE) $(GCC_FLAGS_TO_PASS) \
- CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
- STAGE_PREFIX=$$r/stage1-gcc/ \
- $(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage2-gcc
+ $(POSTSTAGE1_FLAGS_TO_PASS) \
+ && $(STAMP) ../all-stage2-gcc
.PHONY: bootstrap2
bootstrap2:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) stage2-bubble \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage2-bubble \
stage2-start all stage2-end
-.PHONY: restage2 distclean-stage2
+.PHONY: restage2 touch-stage2 distclean-stage2
-distclean-stage2: distclean-stage3
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+distclean-stage1:: distclean-stage2
+distclean-stage2::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
rm -rf configure-stage2-gcc all-stage2-gcc stage2-gcc
-restage2: distclean-stage3
+# Rules to renew the timestamp on a stage and all the following ones
+touch-stage1:: touch-stage2
+touch-stage2::
+ @[ -f configure-stage2-gcc ] && \
+ echo '$(STAMP) configure-stage2-gcc' && \
+ $(STAMP) configure-stage2-gcc; \
+ [ -f all-stage2-gcc ] && \
+ echo '$(STAMP) all-stage2-gcc' && \
+ $(STAMP) all-stage2-gcc; \
+ :
+
+# After building a stage, touch the following ones
+restage1:: touch-stage2
+restage2::
rm -rf all-stage2-gcc
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage2-gcc
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage2-gcc
.PHONY: stage3-start stage3-end
-stage3-start:
+stage3-start::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
echo stage3 > stage_last ; \
[ -d stage3-gcc ] || mkdir stage3-gcc; \
set stage3-gcc gcc ; @CREATE_LINK_TO_DIR@ ; \
set stage2-gcc prev-gcc ; @CREATE_LINK_TO_DIR@
-stage3-end:
+stage3-end::
rm -f stage_last ; \
set gcc stage3-gcc ; @UNDO_LINK_TO_DIR@ ; \
set prev-gcc stage2-gcc ; @UNDO_LINK_TO_DIR@
# are remade, but not reconfigured. The next stage (if any) will not
# be reconfigured as well.
.PHONY: stage3-bubble
-stage3-bubble: stage2-bubble
+stage3-bubble:: stage2-bubble
@if [ -f all-stage3-gcc ] ; then \
echo Remaking stage 3 ; \
rm -f all-stage3-gcc ; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- all-stage3-gcc && \
- if [ -f configure-stage4-gcc ] ; then \
- $(STAMP) configure-stage4-gcc ; \
- fi ; \
- else \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage3-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage3-gcc
+
+
+stage2-bubble::
+ @if [ -f configure-stage3-gcc ] ; then \
+ $(STAMP) configure-stage3-gcc ; \
fi
+
configure-stage3-gcc: all-stage2-gcc
$(MAKE) stage3-start
@if [ -f stage3-gcc/Makefile ] ; then \
$(STAGE_HOST_EXPORTS) \
cd gcc && \
$(MAKE) $(GCC_FLAGS_TO_PASS) \
- CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
- STAGE_PREFIX=$$r/stage2-gcc/ \
- $(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage3-gcc
+ $(POSTSTAGE1_FLAGS_TO_PASS) \
+ && $(STAMP) ../all-stage3-gcc
compare: all-stage3-gcc
.PHONY: bootstrap
bootstrap:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) stage3-bubble compare \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage3-bubble compare \
stage3-start all stage3-end
-.PHONY: restage3 distclean-stage3
+.PHONY: restage3 touch-stage3 distclean-stage3
-distclean-stage3: distclean-stage4
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+distclean-stage2:: distclean-stage3
+distclean-stage3::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
rm -rf configure-stage3-gcc all-stage3-gcc stage3-gcc compare
-restage3: distclean-stage4
+# Rules to renew the timestamp on a stage and all the following ones
+touch-stage2:: touch-stage3
+touch-stage3::
+ @[ -f configure-stage3-gcc ] && \
+ echo '$(STAMP) configure-stage3-gcc' && \
+ $(STAMP) configure-stage3-gcc; \
+ [ -f all-stage3-gcc ] && \
+ echo '$(STAMP) all-stage3-gcc' && \
+ $(STAMP) all-stage3-gcc; \
+ :
+
+# After building a stage, touch the following ones
+restage2:: touch-stage3
+restage3::
rm -rf all-stage3-gcc compare
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) compare
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) compare
.PHONY: cleanstrap
.PHONY: stage4-start stage4-end
-stage4-start:
+stage4-start::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
echo stage4 > stage_last ; \
[ -d stage4-gcc ] || mkdir stage4-gcc; \
set stage4-gcc gcc ; @CREATE_LINK_TO_DIR@ ; \
set stage3-gcc prev-gcc ; @CREATE_LINK_TO_DIR@
-stage4-end:
+stage4-end::
rm -f stage_last ; \
set gcc stage4-gcc ; @UNDO_LINK_TO_DIR@ ; \
set prev-gcc stage3-gcc ; @UNDO_LINK_TO_DIR@
# are remade, but not reconfigured. The next stage (if any) will not
# be reconfigured as well.
.PHONY: stage4-bubble
-stage4-bubble: stage3-bubble
+stage4-bubble:: stage3-bubble
@if [ -f all-stage4-gcc ] ; then \
echo Remaking stage 4 ; \
rm -f all-stage4-gcc ; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- all-stage4-gcc ; \
- else \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage4-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage4-gcc
+
+
+stage3-bubble::
+ @if [ -f configure-stage4-gcc ] ; then \
+ $(STAMP) configure-stage4-gcc ; \
fi
+
configure-stage4-gcc: all-stage3-gcc
$(MAKE) stage4-start
@if [ -f stage4-gcc/Makefile ] ; then \
$(STAGE_HOST_EXPORTS) \
cd gcc && \
$(MAKE) $(GCC_FLAGS_TO_PASS) \
- CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
- STAGE_PREFIX=$$r/stage3-gcc/ \
- $(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage4-gcc
+ $(POSTSTAGE1_FLAGS_TO_PASS) \
+ && $(STAMP) ../all-stage4-gcc
compare3: all-stage4-gcc
.PHONY: bootstrap4
bootstrap4:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) stage4-bubble compare3 \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage4-bubble compare3 \
stage4-start all stage4-end
-.PHONY: restage4 distclean-stage4
+.PHONY: restage4 touch-stage4 distclean-stage4
-distclean-stage4:
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+distclean-stage3:: distclean-stage4
+distclean-stage4::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
rm -rf configure-stage4-gcc all-stage4-gcc stage4-gcc compare3
-restage4:
+# Rules to renew the timestamp on a stage and all the following ones
+touch-stage3:: touch-stage4
+touch-stage4::
+ @[ -f configure-stage4-gcc ] && \
+ echo '$(STAMP) configure-stage4-gcc' && \
+ $(STAMP) configure-stage4-gcc; \
+ [ -f all-stage4-gcc ] && \
+ echo '$(STAMP) all-stage4-gcc' && \
+ $(STAMP) all-stage4-gcc; \
+ :
+
+# After building a stage, touch the following ones
+restage3:: touch-stage4
+restage4::
rm -rf all-stage4-gcc compare3
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) compare3
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) compare3
+
+
+
+
+.PHONY: stageprofile-start stageprofile-end
+
+stageprofile-start::
+ [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+ echo stageprofile > stage_last ; \
+ [ -d stageprofile-gcc ] || mkdir stageprofile-gcc; \
+ set stageprofile-gcc gcc ; @CREATE_LINK_TO_DIR@ ; \
+ set stage1-gcc prev-gcc ; @CREATE_LINK_TO_DIR@
+
+stageprofile-end::
+ rm -f stage_last ; \
+ set gcc stageprofile-gcc ; @UNDO_LINK_TO_DIR@ ; \
+ set prev-gcc stage1-gcc ; @UNDO_LINK_TO_DIR@
+
+# Bubble a bugfix through all the stages up to stage profile. They
+# are remade, but not reconfigured. The next stage (if any) will not
+# be reconfigured as well.
+.PHONY: stageprofile-bubble
+stageprofile-bubble:: stage1-bubble
+ @if [ -f all-stageprofile-gcc ] ; then \
+ echo Remaking stage profile ; \
+ rm -f all-stageprofile-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stageprofile-gcc
+
+
+stage1-bubble::
+ @if [ -f configure-stageprofile-gcc ] ; then \
+ $(STAMP) configure-stageprofile-gcc ; \
+ fi
+configure-stageprofile-gcc: all-stage1-gcc
+ $(MAKE) stageprofile-start
+ @if [ -f stageprofile-gcc/Makefile ] ; then \
+ $(STAMP) configure-stageprofile-gcc ; \
+ exit 0; \
+ else \
+ true ; \
+ fi ; \
+ r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(STAGE_HOST_EXPORTS) \
+ echo Configuring stage profile in gcc ; \
+ cd gcc || exit 1; \
+ case $(srcdir) in \
+ \.) \
+ srcdiroption="--srcdir=."; \
+ libsrcdir=".";; \
+ /* | [A-Za-z]:[\\/]*) \
+ srcdiroption="--srcdir=$(srcdir)/gcc"; \
+ libsrcdir="$$s/gcc";; \
+ *) \
+ srcdiroption="--srcdir=../$(srcdir)/gcc"; \
+ libsrcdir="$$s/gcc";; \
+ esac; \
+ $(SHELL) $${libsrcdir}/configure \
+ $(HOST_CONFIGARGS) $${srcdiroption} \
+ @stage2_werror_flag@ && \
+ $(STAMP) ../configure-stageprofile-gcc
+
+all-stageprofile-gcc: configure-stageprofile-gcc
+ $(MAKE) stageprofile-start
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(STAGE_HOST_EXPORTS) \
+ cd gcc && \
+ $(MAKE) $(GCC_FLAGS_TO_PASS) \
+ $(POSTSTAGE1_FLAGS_TO_PASS) \
+ CFLAGS="$(BOOT_CFLAGS) -fprofile-generate" && $(STAMP) ../all-stageprofile-gcc
+
+
+
+
+
+.PHONY: restageprofile touch-stageprofile distclean-stageprofile
+
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+distclean-stage1:: distclean-stageprofile
+distclean-stageprofile::
+ [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+ rm -rf configure-stageprofile-gcc all-stageprofile-gcc stageprofile-gcc
+# Rules to renew the timestamp on a stage and all the following ones
+touch-stage1:: touch-stageprofile
+touch-stageprofile::
+ @[ -f configure-stageprofile-gcc ] && \
+ echo '$(STAMP) configure-stageprofile-gcc' && \
+ $(STAMP) configure-stageprofile-gcc; \
+ [ -f all-stageprofile-gcc ] && \
+ echo '$(STAMP) all-stageprofile-gcc' && \
+ $(STAMP) all-stageprofile-gcc; \
+ :
+
+# After building a stage, touch the following ones
+restage1:: touch-stageprofile
+restageprofile::
+ rm -rf all-stageprofile-gcc
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stageprofile-gcc
+
+
+
+
+.PHONY: stagefeedback-start stagefeedback-end
+
+stagefeedback-start::
+ [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+ echo stagefeedback > stage_last ; \
+ [ -d stagefeedback-gcc ] || mkdir stagefeedback-gcc; \
+ set stagefeedback-gcc gcc ; @CREATE_LINK_TO_DIR@ ; \
+ set stage1-gcc prev-gcc ; @CREATE_LINK_TO_DIR@
+
+stagefeedback-end::
+ rm -f stage_last ; \
+ set gcc stagefeedback-gcc ; @UNDO_LINK_TO_DIR@ ; \
+ set prev-gcc stage1-gcc ; @UNDO_LINK_TO_DIR@
+
+# Bubble a bugfix through all the stages up to stage feedback. They
+# are remade, but not reconfigured. The next stage (if any) will not
+# be reconfigured as well.
+.PHONY: stagefeedback-bubble
+stagefeedback-bubble:: stage1-bubble
+ @if [ -f all-stagefeedback-gcc ] ; then \
+ echo Remaking stage feedback ; \
+ rm -f all-stagefeedback-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stagefeedback-gcc
+
+
+stage1-bubble::
+ @if [ -f configure-stagefeedback-gcc ] ; then \
+ $(STAMP) configure-stagefeedback-gcc ; \
+ fi
+
+
+configure-stagefeedback-gcc: all-stage1-gcc
+ $(MAKE) stagefeedback-start
+ @if [ -f stagefeedback-gcc/Makefile ] ; then \
+ $(STAMP) configure-stagefeedback-gcc ; \
+ exit 0; \
+ else \
+ true ; \
+ fi ; \
+ r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(STAGE_HOST_EXPORTS) \
+ echo Configuring stage feedback in gcc ; \
+ cd gcc || exit 1; \
+ case $(srcdir) in \
+ \.) \
+ srcdiroption="--srcdir=."; \
+ libsrcdir=".";; \
+ /* | [A-Za-z]:[\\/]*) \
+ srcdiroption="--srcdir=$(srcdir)/gcc"; \
+ libsrcdir="$$s/gcc";; \
+ *) \
+ srcdiroption="--srcdir=../$(srcdir)/gcc"; \
+ libsrcdir="$$s/gcc";; \
+ esac; \
+ $(SHELL) $${libsrcdir}/configure \
+ $(HOST_CONFIGARGS) $${srcdiroption} \
+ @stage2_werror_flag@ && \
+ $(STAMP) ../configure-stagefeedback-gcc
+
+all-stagefeedback-gcc: configure-stagefeedback-gcc
+ $(MAKE) stagefeedback-start
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(STAGE_HOST_EXPORTS) \
+ cd gcc && \
+ $(MAKE) $(GCC_FLAGS_TO_PASS) \
+ $(POSTSTAGE1_FLAGS_TO_PASS) \
+ CFLAGS="$(BOOT_CFLAGS) -fprofile-use" && $(STAMP) ../all-stagefeedback-gcc
+
+
+
+
+
+.PHONY: restagefeedback touch-stagefeedback distclean-stagefeedback
+
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+distclean-stage1:: distclean-stagefeedback
+distclean-stagefeedback::
+ [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+ rm -rf configure-stagefeedback-gcc all-stagefeedback-gcc stagefeedback-gcc
+
+# Rules to renew the timestamp on a stage and all the following ones
+touch-stage1:: touch-stagefeedback
+touch-stagefeedback::
+ @[ -f configure-stagefeedback-gcc ] && \
+ echo '$(STAMP) configure-stagefeedback-gcc' && \
+ $(STAMP) configure-stagefeedback-gcc; \
+ [ -f all-stagefeedback-gcc ] && \
+ echo '$(STAMP) all-stagefeedback-gcc' && \
+ $(STAMP) all-stagefeedback-gcc; \
+ :
+
+# After building a stage, touch the following ones
+restage1:: touch-stagefeedback
+restagefeedback::
+ rm -rf all-stagefeedback-gcc
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stagefeedback-gcc
+
+
+
+
+
+stagefeedback-start::
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ cd stageprofile-gcc && \
+ { find . -type d | sort | sed 's,.*,$(SHELL) '"$$s"'/mkinstalldirs "../gcc/&",' | $(SHELL); } && \
+ { find . -name '*.*da' | sed 's,.*,$(LN) -f "&" "../gcc/&",' | $(SHELL); }
+
+profiledbootstrap: all-bootstrap configure-gcc
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(SET_LIB_PATH) \
+ $(GCC_HOST_EXPORTS) \
+ echo "Bootstrapping the compiler"; \
+ $(MAKE) stageprofile-bubble distclean-stagefeedback stageprofile-start
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+ $(SET_LIB_PATH) \
+ echo "Building runtime libraries and training compiler"; \
+ $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(SET_LIB_PATH) \
+ $(GCC_HOST_EXPORTS) \
+ echo "Building feedback based compiler"; \
+ $(MAKE) stagefeedback-bubble stagefeedback-end
@endif gcc-bootstrap
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_DATA = @INSTALL_DATA@
+LN = @LN@
+LN_S = @LN_S@
# -------------------------------------------------
# Miscellaneous non-standard autoconf-set variables
CXX_FOR_TARGET='$(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
RAW_CXX_FOR_TARGET='$(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
+RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS)
+
# Flags to pass down to most sub-makes, in which we're building with
# the host environment.
EXTRA_HOST_FLAGS = \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
profiledbootstrap: all-bootstrap configure-gcc
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries and training compiler"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(SET_LIB_PATH) \
s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
$(SET_LIB_PATH) \
echo "Building runtime libraries"; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- LANGUAGES="c c++" all
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) LANGUAGES="c c++" all
@endif gcc-no-bootstrap
.PHONY: check-gcc maybe-check-gcc
# Real targets act phony if they depend on phony targets; this hack
# prevents gratuitous rebuilding of stage 1.
prebootstrap:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-bootstrap
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-bootstrap
$(STAMP) prebootstrap
# Flags to pass to stage2 and later makes.
BOOT_CFLAGS= -g -O2
POSTSTAGE1_FLAGS_TO_PASS = \
+ CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
+ STAGE_PREFIX=$$r/stage[+prev+]-gcc/ \
CFLAGS="$(BOOT_CFLAGS)" \
ADAC="\$$(CC)"
[+ FOR bootstrap-stage +]
.PHONY: stage[+id+]-start stage[+id+]-end
-stage[+id+]-start:
+stage[+id+]-start::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
echo stage[+id+] > stage_last ; \
[ -d stage[+id+]-gcc ] || mkdir stage[+id+]-gcc; \
set stage[+id+]-gcc gcc ; @CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
set stage[+prev+]-gcc prev-gcc ; @CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
-stage[+id+]-end:
+stage[+id+]-end::
rm -f stage_last ; \
set gcc stage[+id+]-gcc ; @UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
set prev-gcc stage[+prev+]-gcc ; @UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
# are remade, but not reconfigured. The next stage (if any) will not
# be reconfigured as well.
.PHONY: stage[+id+]-bubble
-stage[+id+]-bubble: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
+stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
@if [ -f all-stage[+id+]-gcc ] ; then \
echo Remaking stage [+id+] ; \
rm -f all-stage[+id+]-gcc ; \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
- all-stage[+id+]-gcc [+ IF next +] && \
- if [ -f configure-stage[+next+]-gcc ] ; then \
- $(STAMP) configure-stage[+next+]-gcc ; \
- fi [+ ENDIF next +]; \
- else \
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all-stage[+id+]-gcc ; \
+ fi ; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage[+id+]-gcc
+
+[+ IF prev +]
+stage[+prev+]-bubble::
+ @if [ -f configure-stage[+id+]-gcc ] ; then \
+ $(STAMP) configure-stage[+id+]-gcc ; \
fi
+[+ ENDIF prev +]
configure-stage[+id+]-gcc: [+ IF prev +] all-stage[+prev+]-gcc [+
ELSE +] prebootstrap [+ ENDIF prev +]
$(GCC_HOST_EXPORTS) [+ ENDIF prev +] \
cd gcc && \
$(MAKE) $(GCC_FLAGS_TO_PASS) [+ IF prev +] \
- CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
- STAGE_PREFIX=$$r/stage[+prev+]-gcc/ [+ ENDIF prev +] \
+ $(POSTSTAGE1_FLAGS_TO_PASS) [+ ENDIF prev +] \
[+extra_make_flags+] && $(STAMP) ../all-stage[+id+]-gcc
[+ IF compare-target +]
[+ IF bootstrap-target +]
.PHONY: [+bootstrap-target+]
[+bootstrap-target+]:
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) stage[+id+]-bubble [+
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble [+
IF compare-target +] [+compare-target+] [+
ENDIF compare-target +] \
stage[+id+]-start all stage[+id+]-end
[+ ENDIF bootstrap-target +]
-.PHONY: restage[+id+] distclean-stage[+id+]
+.PHONY: restage[+id+] touch-stage[+id+] distclean-stage[+id+]
-distclean-stage[+id+]: [+ IF next +] distclean-stage[+next+] [+ ENDIF next +]
+# Rules to wipe a stage and all the following ones, used for cleanstrap
+[+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
+distclean-stage[+id+]::
[ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
rm -rf configure-stage[+id+]-gcc all-stage[+id+]-gcc stage[+id+]-gcc [+
IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
-restage[+id+]: [+ IF next +] distclean-stage[+next+] [+ ENDIF next +]
+# Rules to renew the timestamp on a stage and all the following ones
+[+ IF prev +]touch-stage[+prev+]:: touch-stage[+id+] [+ ENDIF prev +]
+touch-stage[+id+]::
+ @[ -f configure-stage[+id+]-gcc ] && \
+ echo '$(STAMP) configure-stage[+id+]-gcc' && \
+ $(STAMP) configure-stage[+id+]-gcc; \
+ [ -f all-stage[+id+]-gcc ] && \
+ echo '$(STAMP) all-stage[+id+]-gcc' && \
+ $(STAMP) all-stage[+id+]-gcc; \
+ :
+
+# After building a stage, touch the following ones
+[+ IF prev +]restage[+prev+]:: touch-stage[+id+] [+ ENDIF prev +]
+restage[+id+]::
rm -rf all-stage[+id+]-gcc [+
IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
- $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) [+
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) [+
IF compare-target +][+compare-target+] [+
ELSE +] all-stage[+id+]-gcc [+ ENDIF compare-target +]
[+ ENDIF cleanstrap-target +]
[+ ENDFOR bootstrap-stage +]
+
+stagefeedback-start::
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ cd stageprofile-gcc && \
+ { find . -type d | sort | sed 's,.*,$(SHELL) '"$$s"'/mkinstalldirs "../gcc/&",' | $(SHELL); } && \
+ { find . -name '*.*da' | sed 's,.*,$(LN) -f "&" "../gcc/&",' | $(SHELL); }
+
+profiledbootstrap: all-bootstrap configure-gcc
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(SET_LIB_PATH) \
+ $(GCC_HOST_EXPORTS) \
+ echo "Bootstrapping the compiler"; \
+ $(MAKE) stageprofile-bubble distclean-stagefeedback stageprofile-start
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+ $(SET_LIB_PATH) \
+ echo "Building runtime libraries and training compiler"; \
+ $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(SET_LIB_PATH) \
+ $(GCC_HOST_EXPORTS) \
+ echo "Building feedback based compiler"; \
+ $(MAKE) stagefeedback-bubble stagefeedback-end
+
@endif gcc-bootstrap
# --------------------------------------
+2004-06-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * acx.m4 (ACX_PROG_LN): From gcc, modified to
+ accept a parameter.
+
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
fi
])
+dnl See if hard links work and if not, try to substitute $1 or simple copy.
+AC_DEFUN([ACX_PROG_LN],
+[AC_MSG_CHECKING(whether ln works)
+AC_CACHE_VAL(acx_cv_prog_LN,
+[rm -f conftestdata_t
+echo >conftestdata_f
+if ln conftestdata_f conftestdata_t 2>/dev/null
+then
+ acx_cv_prog_LN=ln
+else
+ acx_cv_prog_LN=no
+fi
+rm -f conftestdata_f conftestdata_t
+])dnl
+if test $acx_cv_prog_LN = no; then
+ LN="ifelse([$1],,cp,[$1])"
+ AC_MSG_RESULT([no, using $LN])
+else
+ LN="$acx_cv_prog_LN"
+ AC_MSG_RESULT(yes)
+fi
+AC_SUBST(LN)dnl
+])
+
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+echo $ac_n "checking whether ln works""... $ac_c" 1>&6
+echo "configure:740: checking whether ln works" >&5
+if eval "test \"`echo '$''{'acx_cv_prog_LN'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ rm -f conftestdata_t
+echo >conftestdata_f
+if ln conftestdata_f conftestdata_t 2>/dev/null
+then
+ acx_cv_prog_LN=ln
+else
+ acx_cv_prog_LN=no
+fi
+rm -f conftestdata_f conftestdata_t
+
+fi
+if test $acx_cv_prog_LN = no; then
+ LN="cp"
+ echo "$ac_t""no, using $LN" 1>&6
+else
+ LN="$acx_cv_prog_LN"
+ echo "$ac_t""yes" 1>&6
+fi
+
echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:740: checking whether ln -s works" >&5
+echo "configure:764: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
-# Autoconf M4 include file defining utility macros for complex Canadian
-# cross builds.
-
-
-
-
-
-
-####
-# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM
-# or AC_INIT.
-# These demand that AC_CANONICAL_SYSTEM be called beforehand.
-
-####
-# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host.
-# Code is pretty much lifted from autoconf2.53.
-
-
-
-####
-# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like AC_CHECK_TOOL, but requires the prefix if build!=host.
-
-
-
-####
-# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target.
-
-
-###
-# AC_PROG_CPP_WERROR
-# Used for autoconf 2.5x to force AC_PREPROC_IFELSE to reject code which
-# triggers warnings from the preprocessor. Will be in autoconf 2.58.
-# For now, using this also overrides header checks to use only the
-# preprocessor (matches 2.13 behavior; matching 2.58's behavior is a
-# bit harder from here).
-# Eventually autoconf will default to checking headers with the compiler
-# instead, and we'll have to do this differently.
-
-# AC_PROG_CPP_WERROR
-
-# Test for GNAT.
-# We require the gnatbind program, and a compiler driver that
-# understands Ada. We use the user's CC setting, already found.
-#
-# Sets the shell variable have_gnat to yes or no as appropriate, and
-# substitutes GNATBIND.
-
-
-
-
-
-
-
-
-
-
### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell. This will permit people
### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1926: checking for $ac_word" >&5
+echo "configure:1891: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1956: checking for $ac_word" >&5
+echo "configure:1921: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "cl", so it can be a program name with args.
set dummy cl; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2007: checking for $ac_word" >&5
+echo "configure:1972: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2039: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2004: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
cat > conftest.$ac_ext << EOF
-#line 2050 "configure"
+#line 2015 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
-if { (eval echo configure:2055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
ac_cv_prog_cc_works=yes
# If we can't run a trivial program, we are probably using a cross compiler.
if (./conftest; exit) 2>/dev/null; then
{ echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2081: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2046: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
cross_compiling=$ac_cv_prog_cc_cross
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:2086: checking whether we are using GNU C" >&5
+echo "configure:2051: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
yes;
#endif
EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2095: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2060: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2114: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2079: checking whether ${CC-cc} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args.
set dummy ${ac_tool_prefix}gnatbind; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2150: checking for $ac_word" >&5
+echo "configure:2115: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "gnatbind", so it can be a program name with args.
set dummy gnatbind; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2182: checking for $ac_word" >&5
+echo "configure:2147: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2215: checking whether compiler driver understands Ada" >&5
+echo "configure:2180: checking whether compiler driver understands Ada" >&5
if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
-echo "configure:2248: checking how to compare bootstrapped objects" >&5
+echo "configure:2213: checking how to compare bootstrapped objects" >&5
if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
CFLAGS="$CFLAGS $gmpinc"
# Check GMP actually works
echo $ac_n "checking for correct version of gmp.h""... $ac_c" 1>&6
-echo "configure:2321: checking for correct version of gmp.h" >&5
+echo "configure:2286: checking for correct version of gmp.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 2323 "configure"
+#line 2288 "configure"
#include "confdefs.h"
#include "gmp.h"
int main() {
; return 0; }
EOF
-if { (eval echo configure:2334: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2299: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
echo "$ac_t""yes" 1>&6
else
if test x"$have_gmp" = xyes; then
echo $ac_n "checking for mpf_init in -lgmp""... $ac_c" 1>&6
-echo "configure:2347: checking for mpf_init in -lgmp" >&5
+echo "configure:2312: checking for mpf_init in -lgmp" >&5
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
cat > conftest.$ac_ext <<EOF
-#line 2352 "configure"
+#line 2317 "configure"
#include "confdefs.h"
#include <gmp.h>
int main() {
mpf_t n; mpf_init(n);
; return 0; }
EOF
-if { (eval echo configure:2359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2324: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
echo "$ac_t""yes" 1>&6
else
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2821: checking for $ac_word" >&5
+echo "configure:2786: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_YACC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2856: checking for $ac_word" >&5
+echo "configure:2821: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_M4'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2891: checking for $ac_word" >&5
+echo "configure:2856: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_LEX'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3503: checking for $ac_word" >&5
+echo "configure:3468: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3536: checking for $ac_word" >&5
+echo "configure:3501: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
set dummy ${ncn_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3575: checking for $ac_word" >&5
+echo "configure:3540: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "as", so it can be a program name with args.
set dummy as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3608: checking for $ac_word" >&5
+echo "configure:3573: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3647: checking for $ac_word" >&5
+echo "configure:3612: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "dlltool", so it can be a program name with args.
set dummy dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3680: checking for $ac_word" >&5
+echo "configure:3645: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3719: checking for $ac_word" >&5
+echo "configure:3684: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ld", so it can be a program name with args.
set dummy ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3752: checking for $ac_word" >&5
+echo "configure:3717: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
set dummy ${ncn_tool_prefix}nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3791: checking for $ac_word" >&5
+echo "configure:3756: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "nm", so it can be a program name with args.
set dummy nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3824: checking for $ac_word" >&5
+echo "configure:3789: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3863: checking for $ac_word" >&5
+echo "configure:3828: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3896: checking for $ac_word" >&5
+echo "configure:3861: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
set dummy ${ncn_tool_prefix}windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3935: checking for $ac_word" >&5
+echo "configure:3900: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "windres", so it can be a program name with args.
set dummy windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3968: checking for $ac_word" >&5
+echo "configure:3933: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4007: checking for $ac_word" >&5
+echo "configure:3972: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "objcopy", so it can be a program name with args.
set dummy objcopy; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4040: checking for $ac_word" >&5
+echo "configure:4005: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
set dummy ${ncn_tool_prefix}objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4079: checking for $ac_word" >&5
+echo "configure:4044: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "objdump", so it can be a program name with args.
set dummy objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4112: checking for $ac_word" >&5
+echo "configure:4077: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4161: checking for $ac_word" >&5
+echo "configure:4126: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4194: checking for $ac_word" >&5
+echo "configure:4159: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4233: checking for $ac_word" >&5
+echo "configure:4198: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "as", so it can be a program name with args.
set dummy as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4266: checking for $ac_word" >&5
+echo "configure:4231: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4305: checking for $ac_word" >&5
+echo "configure:4270: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "dlltool", so it can be a program name with args.
set dummy dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4338: checking for $ac_word" >&5
+echo "configure:4303: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4377: checking for $ac_word" >&5
+echo "configure:4342: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ld", so it can be a program name with args.
set dummy ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4410: checking for $ac_word" >&5
+echo "configure:4375: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4449: checking for $ac_word" >&5
+echo "configure:4414: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "nm", so it can be a program name with args.
set dummy nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4482: checking for $ac_word" >&5
+echo "configure:4447: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4521: checking for $ac_word" >&5
+echo "configure:4486: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4554: checking for $ac_word" >&5
+echo "configure:4519: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4593: checking for $ac_word" >&5
+echo "configure:4558: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "windres", so it can be a program name with args.
set dummy windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4626: checking for $ac_word" >&5
+echo "configure:4591: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:4711: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:4676: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
enableval="$enable_maintainer_mode"
# gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
# possible, however, we can resort to mv.
echo $ac_n "checking if symbolic links between directories work""... $ac_c" 1>&6
-echo "configure:4758: checking if symbolic links between directories work" >&5
+echo "configure:4723: checking if symbolic links between directories work" >&5
if eval "test \"`echo '$''{'gcc_cv_prog_ln_s_dir'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@LN@%$LN%g
s%@LN_S@%$LN_S%g
s%@TOPLEVEL_CONFIGURE_ARGUMENTS@%$TOPLEVEL_CONFIGURE_ARGUMENTS%g
s%@build_subdir@%$build_subdir%g
##############################################################################
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
+sinclude(config/acx.m4)
+
AC_INIT(move-if-change)
AC_PREREQ(2.13)
AC_CANONICAL_SYSTEM
# Get 'install' or 'install-sh' and its variants.
AC_PROG_INSTALL
+ACX_PROG_LN
AC_PROG_LN_S
-sinclude(config/acx.m4)
-
### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell. This will permit people
### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure