#
# Makefile for directory with subdirs to build.
# Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
+# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+# Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
#
# First, test for a proper version of make, but only where one is required.
tooldir = @tooldir@
build_tooldir = @build_tooldir@
-GDB_NLM_DEPS =
-
# This is the name of the environment variable used for the path to
# the libraries.
RPATH_ENVVAR = @RPATH_ENVVAR@
+# On targets where RPATH_ENVVAR is PATH, a subdirectory of the GCC build path
+# is used instead of the directory itself to avoid including built
+# executables in PATH.
+GCC_SHLIB_SUBDIR = @GCC_SHLIB_SUBDIR@
+
# Build programs are put under this directory.
BUILD_SUBDIR = @build_subdir@
# This is set by the configure script to the arguments to use when configuring
# directories built for the build system.
BUILD_CONFIGARGS = @build_configargs@ --with-build-subdir="$(BUILD_SUBDIR)"
+# Linker flags to use on the host, for stage1 or when not
+# bootstrapping.
+STAGE1_LDFLAGS = @stage1_ldflags@
+
+# Libraries to use on the host, for stage1 or when not bootstrapping.
+STAGE1_LIBS = @stage1_libs@
+
+# Linker flags to use for stage2 and later.
+POSTSTAGE1_LDFLAGS = @poststage1_ldflags@
+
+# Libraries to use for stage2 and later.
+POSTSTAGE1_LIBS = @poststage1_libs@
+
# This is the list of variables to export in the environment when
# configuring any subdirectory. It must also be exported whenever
# recursing into a build directory in case that directory's Makefile
BISON="$(BISON)"; export BISON; \
YACC="$(YACC)"; export YACC; \
M4="$(M4)"; export M4; \
+ SED="$(SED)"; export SED; \
+ AWK="$(AWK)"; export AWK; \
MAKEINFO="$(MAKEINFO)"; export MAKEINFO;
# This is the list of variables to export in the environment when
CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
GCJ="$(GCJ_FOR_BUILD)"; export GCJ; \
GFORTRAN="$(GFORTRAN_FOR_BUILD)"; export GFORTRAN; \
+ GOC="$(GOC_FOR_BUILD)"; export GOC; \
+ GOCFLAGS="$(GOCFLAGS_FOR_BUILD)"; export GOCFLAGS; \
DLLTOOL="$(DLLTOOL_FOR_BUILD)"; export DLLTOOL; \
LD="$(LD_FOR_BUILD)"; export LD; \
LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
# This is the list of directories to built for the host system.
SUBDIRS = @configdirs@
+TARGET_CONFIGDIRS = @target_configdirs@
# This is set by the configure script to the arguments to use when configuring
# directories built for the host system.
HOST_CONFIGARGS = @host_configargs@
HOST_EXPORTS = \
$(BASE_EXPORTS) \
CC="$(CC)"; export CC; \
+ ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \
CFLAGS="$(CFLAGS)"; export CFLAGS; \
CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
CXX="$(CXX)"; export CXX; \
CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
+ GCJ="$(GCJ)"; export GCJ; \
+ GFORTRAN="$(GFORTRAN)"; export GFORTRAN; \
+ GOC="$(GOC)"; export GOC; \
AR="$(AR)"; export AR; \
AS="$(AS)"; export AS; \
CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
LD="$(LD)"; export LD; \
- LDFLAGS="$(LDFLAGS)"; export LDFLAGS; \
+ LDFLAGS="$(STAGE1_LDFLAGS) $(LDFLAGS)"; export LDFLAGS; \
NM="$(NM)"; export NM; \
RANLIB="$(RANLIB)"; export RANLIB; \
WINDRES="$(WINDRES)"; export WINDRES; \
OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
+ HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
GMPINC="$(HOST_GMPINC)"; export GMPINC; \
+ PPLLIBS="$(HOST_PPLLIBS)"; export PPLLIBS; \
+ PPLINC="$(HOST_PPLINC)"; export PPLINC; \
+ CLOOGLIBS="$(HOST_CLOOGLIBS)"; export CLOOGLIBS; \
+ CLOOGINC="$(HOST_CLOOGINC)"; export CLOOGINC; \
+ LIBELFLIBS="$(HOST_LIBELFLIBS)" ; export LIBELFLIBS; \
+ LIBELFINC="$(HOST_LIBELFINC)" ; export LIBELFINC; \
@if gcc-bootstrap
$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
@endif gcc-bootstrap
$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
+POSTSTAGE1_CXX_EXPORT = \
+ CXX='$(CXX)'; export CXX; \
+ CXX_FOR_BUILD='$(CXX_FOR_BUILD)'; export CXX_FOR_BUILD;
+@if target-libstdc++-v3-bootstrap
+# Override the above if we're bootstrapping C++.
+POSTSTAGE1_CXX_EXPORT = \
+ CXX="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/g++$(exeext) \
+ -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
+ -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
+ -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
+ -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
+ -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
+ -I$$s/libstdc++-v3/libsupc++ \
+ -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
+ -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs"; \
+ export CXX; \
+ CXX_FOR_BUILD="$$CXX"; export CXX_FOR_BUILD;
+@endif target-libstdc++-v3-bootstrap
+
# Similar, for later GCC stages.
POSTSTAGE1_HOST_EXPORTS = \
$(HOST_EXPORTS) \
CC="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
- -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/"; export CC; \
- CC_FOR_BUILD="$(STAGE_CC_WRAPPER) \
- $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
- -B$$r/$(HOST_SUBDIR)/prev-gcc/ \
- -B$(build_tooldir)/bin/"; export CC_FOR_BUILD; \
- LDFLAGS="$(BOOT_LDFLAGS)"; export LDFLAGS;
+ -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ \
+ $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
+ CC_FOR_BUILD="$$CC"; export CC_FOR_BUILD; \
+ $(POSTSTAGE1_CXX_EXPORT) \
+ GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind"; export GNATBIND; \
+ LDFLAGS="$(POSTSTAGE1_LDFLAGS) $(BOOT_LDFLAGS)"; export LDFLAGS; \
+ HOST_LIBS="$(POSTSTAGE1_LIBS)"; export HOST_LIBS;
# Target libraries are put under this directory:
TARGET_SUBDIR = @target_subdir@
# directories built for the target.
TARGET_CONFIGARGS = @target_configargs@ --with-target-subdir="$(TARGET_SUBDIR)"
# This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.
+# configuring subdirectories for the target system.
BASE_TARGET_EXPORTS = \
$(BASE_EXPORTS) \
AR="$(AR_FOR_TARGET)"; export AR; \
AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
- CC="$(CC_FOR_TARGET)"; export CC; \
- CFLAGS="$(CFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CFLAGS; \
+ CC="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
+ CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
- CXXFLAGS="$(CXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CXXFLAGS; \
- GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
- GFORTRAN="$(GFORTRAN_FOR_TARGET)"; export GFORTRAN; \
+ CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+ GCJ="$(GCJ_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GCJ; \
+ GFORTRAN="$(GFORTRAN_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GFORTRAN; \
+ GOC="$(GOC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GOC; \
DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
- $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
+@if gcc-bootstrap
+ $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+@endif gcc-bootstrap
+ $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+ TARGET_CONFIGDIRS="$(TARGET_CONFIGDIRS)"; export TARGET_CONFIGDIRS;
RAW_CXX_TARGET_EXPORTS = \
$(BASE_TARGET_EXPORTS) \
CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
- CXX="$(RAW_CXX_FOR_TARGET)"; export CXX;
+ CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
NORMAL_TARGET_EXPORTS = \
$(BASE_TARGET_EXPORTS) \
- CXX="$(CXX_FOR_TARGET)"; export CXX;
+ CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
# Where to find GMP
HOST_GMPLIBS = @gmplibs@
HOST_GMPINC = @gmpinc@
+# Where to find PPL
+HOST_PPLLIBS = @ppllibs@
+HOST_PPLINC = @pplinc@
+
+# Where to find CLOOG
+HOST_CLOOGLIBS = @clooglibs@
+HOST_CLOOGINC = @clooginc@
+
+# Where to find libelf
+HOST_LIBELFLIBS = @libelflibs@
+HOST_LIBELFINC = @libelfinc@
+
+EXTRA_CONFIGARGS_LIBJAVA = @EXTRA_CONFIGARGS_LIBJAVA@
+
# ----------------------------------------------
# Programs producing files for the BUILD machine
# ----------------------------------------------
-SHELL = @config_shell@
+SHELL = @SHELL@
# pwd command to use. Allow user to override default by setting PWDCMD in
# the environment to account for automounters. The make variable must not
DLLTOOL_FOR_BUILD = @DLLTOOL_FOR_BUILD@
GCJ_FOR_BUILD = @GCJ_FOR_BUILD@
GFORTRAN_FOR_BUILD = @GFORTRAN_FOR_BUILD@
+GOC_FOR_BUILD = @GOC_FOR_BUILD@
LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
LD_FOR_BUILD = @LD_FOR_BUILD@
NM_FOR_BUILD = @NM_FOR_BUILD@
# here so that they can be overridden by Makefile fragments.
BOOT_CFLAGS= -g -O2
BOOT_LDFLAGS=
+BOOT_ADAFLAGS=-gnatpg -gnata
+AWK = @AWK@
+SED = @SED@
BISON = @BISON@
YACC = @YACC@
FLEX = @FLEX@
LIBCFLAGS = $(CFLAGS)
CXXFLAGS = @CXXFLAGS@
LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
+GOCFLAGS = $(CFLAGS)
+
+TFLAGS =
+
+# Defaults for all stages; some are overridden below.
+
+STAGE_CFLAGS = $(BOOT_CFLAGS)
+STAGE_TFLAGS = $(TFLAGS)
+STAGE_CONFIGURE_FLAGS=@stage2_werror_flag@
+POSTSTAGE1_CONFIGURE_FLAGS = @POSTSTAGE1_CONFIGURE_FLAGS@
+
+[+ FOR bootstrap-stage +]
+# Defaults for stage [+id+]; some are overridden below.
+STAGE[+id+]_CFLAGS = $(STAGE_CFLAGS)
+STAGE[+id+]_CXXFLAGS = $(CXXFLAGS)
+@if target-libstdc++-v3-bootstrap
+# Override the above if we're bootstrapping C++.
+STAGE[+id+]_CXXFLAGS = $(STAGE[+id+]_CFLAGS)
+@endif target-libstdc++-v3-bootstrap
+STAGE[+id+]_TFLAGS = $(STAGE_TFLAGS)
+# STAGE1_CONFIGURE_FLAGS overridden below, so we can use
+# POSTSTAGE1_CONFIGURE_FLAGS here.
+STAGE[+id+]_CONFIGURE_FLAGS = \
+ $(STAGE_CONFIGURE_FLAGS) $(POSTSTAGE1_CONFIGURE_FLAGS)
+[+ ENDFOR bootstrap-stage +]
# Only build the C compiler for stage1, because that is the only one that
# we can guarantee will build with the native compiler, and also it is the
# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
# overrideable (for a bootstrap build stage1 also builds gcc.info).
-STAGE1_CHECKING=@stage1_checking@
-STAGE1_LANGUAGES=@stage1_languages@
-
-STAGE1_CFLAGS=@stage1_cflags@
-STAGE2_CFLAGS=$(BOOT_CFLAGS)
-STAGE3_CFLAGS=$(BOOT_CFLAGS)
-STAGE4_CFLAGS=$(BOOT_CFLAGS)
-
-STAGE1_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
-STAGE2_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
-STAGE3_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
-STAGE4_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
+STAGE1_CFLAGS = @stage1_cflags@
+STAGE1_CHECKING = @stage1_checking@
+STAGE1_LANGUAGES = @stage1_languages@
+# * We force-disable intermodule optimizations, even if
+# --enable-intermodule was passed, since the installed compiler
+# probably can't handle them. Luckily, autoconf always respects
+# the last argument when conflicting --enable arguments are passed.
+# * Likewise, we force-disable coverage flags, since the installed
+# compiler probably has never heard of them.
+# * Don't remove this, because above we added
+# POSTSTAGE1_CONFIGURE_FLAGS to STAGE[+id+]_CONFIGURE_FLAGS, which
+# we don't want for STAGE1_CONFIGURE_FLAGS.
+STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
+ --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)"
+
+STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
+STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)
+
+STAGEfeedback_CFLAGS = $(STAGE3_CFLAGS) -fprofile-use
+STAGEfeedback_TFLAGS = $(STAGE3_TFLAGS)
do-compare = @do_compare@
do-compare3 = $(do-compare)
-do-compare-debug = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2
# -----------------------------------------------
# Programs producing files for the TARGET machine
# -----------------------------------------------
-FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
-
AR_FOR_TARGET=@AR_FOR_TARGET@
AS_FOR_TARGET=@AS_FOR_TARGET@
-CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
+CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@
# If GCC_FOR_TARGET is not overriden on the command line, then this
# variable is passed down to the gcc Makefile, where it is used to
# build libgcc2.a. We define it here so that it can itself be
# overridden on the command line.
-GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@ $(FLAGS_FOR_TARGET)
+GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@
+CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@
+RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@
+GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@
+GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@
+GOC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GOC_FOR_TARGET@
DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
LD_FOR_TARGET=@LD_FOR_TARGET@
CFLAGS_FOR_TARGET = @CFLAGS_FOR_TARGET@
CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@
-SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
-DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
-LDFLAGS_FOR_TARGET =
+LDFLAGS_FOR_TARGET = @LDFLAGS_FOR_TARGET@
+GOCFLAGS_FOR_TARGET = -O2 -g
+
+FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
+SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
+DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@
+
+XGCC_FLAGS_FOR_TARGET = $(FLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
# ------------------------------------
# Miscellaneous targets and flag lists
###
# This is the list of directories that may be needed in RPATH_ENVVAR
-# so that prorgams built for the target machine work.
+# so that programs built for the target machine work.
TARGET_LIB_PATH = [+ FOR target_modules +][+
IF lib_path +]$(TARGET_LIB_PATH_[+module+])[+ ENDIF lib_path +][+
ENDFOR target_modules +]$(HOST_LIB_PATH_gcc)
# Define HOST_LIB_PATH_gcc here, for the sake of TARGET_LIB_PATH, ouch
@if gcc
-HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc:$$r/$(HOST_SUBDIR)/prev-gcc:
+HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc$(GCC_SHLIB_SUBDIR):$$r/$(HOST_SUBDIR)/prev-gcc$(GCC_SHLIB_SUBDIR):
@endif gcc
[+ FOR host_modules +][+ IF lib_path +]
@endif [+module+]
[+ ENDIF lib_path +][+ ENDFOR host_modules +]
+CXX_FOR_TARGET_FLAG_TO_PASS = \
+ "CXX_FOR_TARGET=$(CXX_FOR_TARGET)"
+@if target-libstdc++-v3
+# CXX_FOR_TARGET is tricky to get right for target libs that require a
+# functional C++ compiler. When we recurse, if we expand
+# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get
+# libstdc++ include flags from the script. Instead, we get an
+# -funconfigured-* word, so that we'll get errors if this invalid C++
+# command line is used for anything, but also so that we can use the
+# word to decide whether or not to pass on this CXX_FOR_TARGET. If we
+# don't pass it on, sub-make will use the default definition, that
+# re-expands it at the time of use, so we'll get it right when we need
+# it. One potential exception is the expansion of CXX_FOR_TARGET
+# passed down as part of CXX within TARGET_FLAGS, but this wouldn't
+# really work, for C++ host programs can't depend on the current-stage
+# C++ target library.
+CXX_FOR_TARGET_FLAG_TO_PASS = \
+ $(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi)
+@endif target-libstdc++-v3
+
# Flags to pass down to all sub-makes.
BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
"`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \
- "[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +] \
+ "[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +][+ FOR bootstrap-stage +] \
+ "STAGE[+id+]_CFLAGS=$(STAGE[+id+]_CFLAGS)" \
+ "STAGE[+id+]_CXXFLAGS=$(STAGE[+id+]_CXXFLAGS)" \
+ "STAGE[+id+]_TFLAGS=$(STAGE[+id+]_TFLAGS)"[+ ENDFOR bootstrap-stage +] \
+ $(CXX_FOR_TARGET_FLAG_TO_PASS) \
+ "TFLAGS=$(TFLAGS)" \
"CONFIG_SHELL=$(SHELL)" \
"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)"
'CC=$(CC)' \
'CXX=$(CXX)' \
'DLLTOOL=$(DLLTOOL)' \
+ 'GCJ=$(GCJ)' \
+ 'GFORTRAN=$(GFORTRAN)' \
+ 'GOC=$(GOC)' \
'LD=$(LD)' \
'LIPO=$(LIPO)' \
'NM=$(NM)' \
FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
-# Flags that are concerned with the location of the X11 include files
-# and library files
-#
-# NOTE: until the top-level is getting the values via autoconf, it only
-# causes problems to have this top-level Makefile overriding the autoconf-set
-# values in child directories. Only variables that don't conflict with
-# autoconf'ed ones should be passed by X11_FLAGS_TO_PASS for now.
-#
-X11_FLAGS_TO_PASS = \
- 'X11_EXTRA_CFLAGS=$(X11_EXTRA_CFLAGS)' \
- 'X11_EXTRA_LIBS=$(X11_EXTRA_LIBS)'
-
# Flags to pass to stage2 and later makes.
POSTSTAGE1_FLAGS_TO_PASS = \
CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
- GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind" \
- LDFLAGS="$(BOOT_LDFLAGS)" \
+ CXX="$${CXX}" CXX_FOR_BUILD="$${CXX_FOR_BUILD}" \
+ GNATBIND="$${GNATBIND}" \
+ LDFLAGS="$${LDFLAGS}" \
+ HOST_LIBS="$${HOST_LIBS}" \
"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
# Flags to pass down to makes which are built with the target environment.
EXTRA_TARGET_FLAGS = \
'AR=$$(AR_FOR_TARGET)' \
'AS=$(COMPILER_AS_FOR_TARGET)' \
- 'CC=$$(CC_FOR_TARGET)' \
- 'CFLAGS=$$(CFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
- 'CXX=$$(CXX_FOR_TARGET)' \
- 'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
+ 'CC=$$(CC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+ 'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
+ 'CXX=$$(CXX_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+ 'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
+ 'GCJ=$$(GCJ_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+ 'GFORTRAN=$$(GFORTRAN_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+ 'GOC=$$(GOC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+ 'GOCFLAGS=$$(GOCFLAGS_FOR_TARGET)' \
'LD=$(COMPILER_LD_FOR_TARGET)' \
'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
- 'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
- 'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
+ 'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
+ 'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
'NM=$(COMPILER_NM_FOR_TARGET)' \
'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
'RANLIB=$$(RANLIB_FOR_TARGET)' \
'WINDRES=$$(WINDRES_FOR_TARGET)' \
- 'WINDMC=$$(WINDMC_FOR_TARGET)'
+ 'WINDMC=$$(WINDMC_FOR_TARGET)' \
+ 'XGCC_FLAGS_FOR_TARGET=$(XGCC_FLAGS_FOR_TARGET)' \
+ "TFLAGS=$$TFLAGS"
TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)
+@if gcc
+BUILD_CONFIG = @BUILD_CONFIG@
+ifneq ($(BUILD_CONFIG),)
+include $(foreach CONFIG, $(BUILD_CONFIG), $(srcdir)/config/$(CONFIG).mk)
+endif
+@endif gcc
+
.PHONY: configure-host
configure-host: [+
FOR host_modules +] \
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+@if gcc-bootstrap
if [ -f stage_last ]; then \
+ TFLAGS="$(STAGE$(shell test ! -f stage_last || sed s,^stage,, stage_last)_TFLAGS)"; \
$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
else \
- $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target; \
- fi
+@endif gcc-bootstrap
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target \
+@if gcc-bootstrap
+ ; \
+ fi \
+@endif gcc-bootstrap
+ && :
.PHONY: all-build
[+ FOR build_modules +]
-rmdir texinfo/doc texinfo/info texinfo/intl texinfo/lib 2>/dev/null
-rmdir texinfo/makeinfo texinfo/po texinfo/util 2>/dev/null
-rmdir fastjar gcc libiberty texinfo zlib 2>/dev/null
+ -find . -name config.cache -exec rm -f {} \; \; 2>/dev/null
local-maintainer-clean:
@echo "This command is intended for maintainers to use;"
install-no-fixedincludes: installdirs install-host-nogcc \
install-target gcc-no-fixedincludes
+.PHONY: install-strip
+install-strip:
+ @: $(MAKE); $(unstage)
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-strip-host install-strip-target
+
+.PHONY: install-strip-host
+install-strip-host: [+
+ FOR host_modules +] \
+ maybe-install-strip-[+module+][+
+ ENDFOR host_modules +]
+
+.PHONY: install-strip-target
+install-strip-target: [+
+ FOR target_modules +] \
+ maybe-install-strip-target-[+module+][+
+ ENDFOR target_modules +]
+
+
### other supporting targets
MAKEDIRS= \
fi; \
[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
- [+exports+] \
+ [+exports+] [+extra_exports+] \
echo Configuring in [+subdir+]/[+module+]; \
cd "[+subdir+]/[+module+]" || exit 1; \
case $(srcdir) in \
@$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
[+ IF check_multilibs
+]echo "Checking multilib configuration for [+module+]..."; \
$(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
fi; \
[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
[+exports+][+ IF prev +] \
- [+poststage1_exports+][+ ENDIF prev +] [+ IF prefix +] \
- CFLAGS="[+stage_libcflags+] $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CFLAGS; \
- CXXFLAGS="[+stage_libcflags+] $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CXXFLAGS; [+ ELSE +] \
- CFLAGS="[+stage_cflags+]"; export CFLAGS; \
- CXXFLAGS="[+stage_cflags+]"; export CXXFLAGS; [+ ENDIF +] \
+ [+poststage1_exports+][+ ENDIF prev +][+ IF prefix +] \
+ CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+ CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+ LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"; export LIBCFLAGS;[+ ELSE prefix +] \
+ CFLAGS="$(STAGE[+id+]_CFLAGS)"; export CFLAGS; \
+ CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"; export CXXFLAGS;[+ IF prev +] \
+ LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
+ LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +]; export LIBCFLAGS;[+
+ ENDIF prefix +] [+extra_exports+] \
echo Configuring stage [+id+] in [+subdir+]/[+module+] ; \
$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
cd [+subdir+]/[+module+] || exit 1; \
libsrcdir="$$s/[+module+]"; \
$(SHELL) $${libsrcdir}/configure \
[+args+] --build=${build_alias} --host=[+host_alias+] \
- --target=[+target_alias+] $${srcdiroption} \
- [+ IF prev +]--with-build-libsubdir=$(HOST_SUBDIR)[+ ENDIF prev +] \
- [+stage_configure_flags+] [+extra_configure_flags+]
+ --target=[+target_alias+] $${srcdiroption} [+ IF prev +]\
+ --with-build-libsubdir=$(HOST_SUBDIR) [+ ENDIF prev +]\
+ $(STAGE[+id+]_CONFIGURE_FLAGS)[+ IF extra_configure_flags +] \
+ [+extra_configure_flags+][+ ENDIF extra_configure_flags +]
@endif [+prefix+][+module+]-bootstrap
[+ ENDFOR bootstrap_stage +]
[+ ENDIF bootstrap +]
@: $(MAKE); $(unstage)[+ ENDIF bootstrap +]
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
- [+exports+] \
+ [+exports+] [+extra_exports+] \
(cd [+subdir+]/[+module+] && \
$(MAKE) $(BASE_FLAGS_TO_PASS) [+args+] [+extra_make_flags+] \
$(TARGET-[+prefix+][+module+]))
@[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
[+exports+][+ IF prev +] \
- [+poststage1_exports+][+ ENDIF prev +] \
+ [+poststage1_exports+][+ ENDIF prev +] [+extra_exports+] \
cd [+subdir+]/[+module+] && \
- $(MAKE) $(BASE_FLAGS_TO_PASS) \
- CFLAGS="[+stage_cflags+]" CXXFLAGS="[+stage_cflags+]" \
- LIBCFLAGS="[+stage_libcflags+]" \
- CFLAGS_FOR_TARGET="[+stage_libcflags+]" \
- CXXFLAGS_FOR_TARGET="[+stage_libcflags+]" [+args+] [+
+ $(MAKE) $(BASE_FLAGS_TO_PASS)[+ IF prefix +] \
+ CFLAGS="$(CFLAGS_FOR_TARGET)" \
+ CXXFLAGS="$(CXXFLAGS_FOR_TARGET)" \
+ LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"[+ ELSE prefix +] \
+ CFLAGS="$(STAGE[+id+]_CFLAGS)" \
+ CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"[+ IF prev +] \
+ LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
+ LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +][+ ENDIF prefix +] \
+ CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
+ CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
+ LIBCFLAGS_FOR_TARGET="$(LIBCFLAGS_FOR_TARGET)" \
+ [+args+] [+
IF prev +][+poststage1_args+][+ ENDIF prev
+] [+extra_make_flags+] \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)" \
$(TARGET-stage[+id+]-[+prefix+][+module+])
maybe-clean-stage[+id+]-[+prefix+][+module+]: clean-stage[+id+]-[+prefix+][+module+]
[+ ENDIF no_install +]
@endif [+module+]
+.PHONY: install-strip-[+module+] maybe-install-strip-[+module+]
+maybe-install-strip-[+module+]:
+@if [+module+]
+maybe-install-strip-[+module+]: install-strip-[+module+]
+[+ IF no_install +]
+install-strip-[+module+]:
+[+ ELSE install +]
+install-strip-[+module+]: installdirs
+ @: $(MAKE); $(unstage)
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(HOST_EXPORTS) \
+ (cd $(HOST_SUBDIR)/[+module+] && \
+ $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] install-strip)
+[+ ENDIF no_install +]
+@endif [+module+]
+
# Other targets (info, dvi, pdf, etc.)
[+ FOR recursive_targets +]
.PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
[+ ENDIF no_install +]
@endif target-[+module+]
+.PHONY: install-strip-target-[+module+] maybe-install-strip-target-[+module+]
+maybe-install-strip-target-[+module+]:
+@if target-[+module+]
+maybe-install-strip-target-[+module+]: install-strip-target-[+module+]
+[+ IF no_install +]
+# Dummy target for uninstallable.
+install-strip-target-[+module+]:
+[+ ELSE install +]
+install-strip-target-[+module+]: installdirs
+ @: $(MAKE); $(unstage)
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
+IF raw_cxx +]
+ $(RAW_CXX_TARGET_EXPORTS) \[+
+ELSE normal_cxx +]
+ $(NORMAL_TARGET_EXPORTS) \[+
+ENDIF raw_cxx +]
+ (cd $(TARGET_SUBDIR)/[+module+] && \
+ $(MAKE) $(TARGET_FLAGS_TO_PASS) [+extra_make_flags+] install-strip)
+[+ ENDIF no_install +]
+@endif target-[+module+]
+
# Other targets (info, dvi, pdf, etc.)
[+ FOR recursive_targets +]
.PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
[+ ENDFOR recursive_targets +]
[+ ENDFOR target_modules +]
+@if target-libmudflap
+.PHONY: check-target-libmudflap-c++
+check-target-libmudflap-c++:
+ $(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) c++frags.exp" check-target-libmudflap
+
+@endif target-libmudflap
+
# ----------
# GCC module
# ----------
@endif gcc-no-bootstrap
@if gcc
-.PHONY: check-gcc-c++
-check-gcc-c++:
- @if [ -f ./gcc/Makefile ] ; then \
- r=`${PWD_COMMAND}`; export r; \
- s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
- $(HOST_EXPORTS) \
- (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
- else \
- true; \
- fi
-
-.PHONY: check-c++
-check-c++: check-target-libstdc++-v3 check-gcc-c++
+[+ FOR languages +]
+.PHONY: check-gcc-[+language+] check-[+language+]
+check-gcc-[+language+]:
+ r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(HOST_EXPORTS) \
+ (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) [+gcc-check-target+]);
+check-[+language+]: check-gcc-[+language+][+ FOR lib-check-target +] [+ lib-check-target +][+ ENDFOR lib-check-target +]
+[+ ENDFOR languages +]
# Install the gcc headers files, but not the fixed include files,
# which Cygnus is not allowed to distribute. This rule is very
: $(MAKE); $(stage); \
rm -f .bad_compare ; \
echo Comparing stages [+prev+] and [+id+] ; \
- cd stage[+id+]-gcc; \
- files=`find . -name "*$(objext)" -print` ; \
- cd .. ; \
+ sed=`echo stage[+id+] | sed 's,^stage,,;s,.,.,g'`; \
+ files=`find stage[+id+]-* -name "*$(objext)" -print | \
+ sed -n s,^stage$$sed-,,p` ; \
for file in $${files} ; do \
- f1=$$r/stage[+prev+]-gcc/$$file; f2=$$r/stage[+id+]-gcc/$$file; \
+ f1=$$r/stage[+prev+]-$$file; f2=$$r/stage[+id+]-$$file; \
+ if test ! -f $$f1; then continue; fi; \
$(do-[+compare-target+]) > /dev/null 2>&1; \
if test $$? -eq 1; then \
case $$file in \
- ./cc*-checksum$(objext) | ./libgcc/* ) \
+ @compare_exclusions@) \
echo warning: $$file differs ;; \
*) \
echo $$file differs >> .bad_compare ;; \
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
[+bootstrap-target+]-lean:
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
[+ ENDIF bootstrap-target +]
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
[+ ENDIF cleanstrap-target +]
@endif gcc-bootstrap
# Provide a GCC build when we're building target libraries. This does
# not work as a dependency, just as the minimum necessary to avoid errors.
stage_last:
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(MAKE) $(RECURSE_FLAGS_TO_PASS) stage1-bubble
# Same as unstage, but not phony and defaulting to stage1-start. We place
.PHONY: restrap
restrap::
@: $(MAKE); $(stage)
- rm -rf stage1-$(TARGET_SUBDIR) [+ FOR bootstrap-stage +][+ IF prev
- +]stage[+id+]-* [+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
+ rm -rf stage1-$(TARGET_SUBDIR)[+ FOR bootstrap-stage +][+ IF prev
+ +] stage[+id+]-*[+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
restrap:: all
@endif gcc-bootstrap