ac_includes_default='/* none */'
ac_subst_vars='LTLIBOBJS
LIBOBJS
+md_unwind_header
+unwind_header
+enable_execute_stack
asm_hidden_op
extra_parts
cpu_type
+get_gcc_base_ver
thread_header
tm_defines
tm_file
enable_explicit_exception_frame_registration
with_glibc_version
enable_tls
+with_gcc_major_version_only
'
ac_precious_vars='build_alias
host_alias
--with-system-libunwind use installed libunwind
--with-glibc-version=M.N
assume GCC used with glibc version M.N or later
+ --with-gcc-major-version-only
+ use only GCC major number in filesystem paths
Some influential environment variables:
CC C compiler command
# If we are using a compiler supporting mdynamic-no-pic
# and the option has been tested as safe to add, then cancel
# it here, since the code generated is incompatible with shared
- # libs.
+ # libs.
*-mdynamic-no-pic*) PICFLAG='-fno-common -mno-dynamic-no-pic' ;;
*) PICFLAG=-fno-common ;;
esac
case $host in
powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
- i?86*-*-gnu* | \
+ i?86*-*-elfiamcu | i?86*-*-gnu* | \
i?86*-*-mingw* | x86_64*-*-mingw* | \
i?86*-*-cygwin* | x86_64*-*-cygwin*)
enable_decimal_float=yes
$as_echo "$libgcc_cv_mips_hard_float" >&6; }
esac
+case ${host} in
+*-*-solaris2*)
+ # Check for system-provided CRTs on Solaris 11.x and Solaris 12.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking system-provided CRTs on Solaris" >&5
+$as_echo_n "checking system-provided CRTs on Solaris... " >&6; }
+if test "${libgcc_cv_solaris_crts+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ libgcc_cv_solaris_crts=no
+ libgcc_sysroot="`${CC} -print-sysroot`"
+ libgcc_libdir="$libgcc_sysroot/usr/lib"
+ # At the time they were added, gcrt1.o became a symlink for backwards
+ # compatibility on x86, while crt1.o was added on sparc, so check for that.
+ case ${host} in
+ i?86-*-solaris2* | x86_64-*-solaris2*)
+ if test -h "$libgcc_libdir/gcrt1.o"; then libgcc_cv_solaris_crts=yes; fi
+ ;;
+ sparc*-*-solaris2*)
+ if test -f "$libgcc_libdir/crt1.o"; then libgcc_cv_solaris_crts=yes; fi
+ ;;
+ esac
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_solaris_crts" >&5
+$as_echo "$libgcc_cv_solaris_crts" >&6; }
+ if test $libgcc_cv_solaris_crts = yes; then
+
+$as_echo "#define HAVE_SOLARIS_CRTS 1" >>confdefs.h
+
+ fi
+ ;;
+esac
+
# Determine the version of glibc, if any, used on the target.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for target glibc version" >&5
$as_echo_n "checking for target glibc version... " >&6; }
;;
esac
+case ${host} in
+# At present, we cannot turn -mfloat128 on via #pragma GCC target,
+# so just check if we have VSX (ISA 2.06) support to build the
+# software libraries, and whether the assembler can handle xsaddqp
+# for hardware support.
+powerpc*-*-linux*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 2.06 to build __float128 libraries" >&5
+$as_echo_n "checking for PowerPC ISA 2.06 to build __float128 libraries... " >&6; }
+if test "${libgcc_cv_powerpc_float128+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#pragma GCC target ("vsx")
+ vector double dadd (vector double a, vector double b) { return a + b; }
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libgcc_cv_powerpc_float128=yes
+else
+ libgcc_cv_powerpc_float128=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128" >&5
+$as_echo "$libgcc_cv_powerpc_float128" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 3.0 to build hardware __float128 libraries" >&5
+$as_echo_n "checking for PowerPC ISA 3.0 to build hardware __float128 libraries... " >&6; }
+if test "${libgcc_cv_powerpc_float128_hw+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#pragma GCC target ("vsx,power9-vector")
+ #include <sys/auxv.h>
+ #ifndef AT_PLATFORM
+ #error "AT_PLATFORM is not defined"
+ #endif
+ vector unsigned char (vector unsigned char a, vector unsigned char b)
+ {
+ vector unsigned char ret;
+ __asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b));
+ return ret;
+ }
+ void *add_resolver (void) { return (void *) add; }
+ __float128 add_ifunc (__float128, __float128)
+ __attribute__ ((__ifunc__ ("add_resolver")));
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libgcc_cv_powerpc_float128_hw=yes
+else
+ libgcc_cv_powerpc_float128_hw=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5
+$as_echo "$libgcc_cv_powerpc_float128_hw" >&6; }
+esac
+
# Collect host-machine-specific information.
. ${srcdir}/config.host
if test x"$enable_offload_targets" != x; then
- extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o"
+ extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o crtoffloadtable.o"
fi
# Check if Solaris/x86 linker supports ZERO terminator unwind entries.
+# Determine what GCC version number to use in filesystem paths.
+
+ get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${with_gcc_major_version_only+set}" = set; then :
+ withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then
+ get_gcc_base_ver="sed -e 's/^\([0-9]*\).*\$\$/\1/'"
+ fi
+
+fi
+
+
+
+
# Substitute configuration variables
-ac_config_links="$ac_config_links enable-execute-stack.c:$enable_execute_stack"
-ac_config_links="$ac_config_links unwind.h:$unwind_header"
-ac_config_links="$ac_config_links md-unwind-support.h:config/$md_unwind_header"
-ac_config_links="$ac_config_links sfp-machine.h:config/$sfp_machine_header"
-ac_config_links="$ac_config_links gthr-default.h:$thread_header"
# We need multilib support.
# Files that config.status was made for.
config_files="$ac_config_files"
config_headers="$ac_config_headers"
-config_links="$ac_config_links"
config_commands="$ac_config_commands"
_ACEOF
Configuration headers:
$config_headers
-Configuration links:
-$config_links
-
Configuration commands:
$config_commands
do
case $ac_config_target in
"auto-target.h") CONFIG_HEADERS="$CONFIG_HEADERS auto-target.h:config.in" ;;
- "enable-execute-stack.c") CONFIG_LINKS="$CONFIG_LINKS enable-execute-stack.c:$enable_execute_stack" ;;
- "unwind.h") CONFIG_LINKS="$CONFIG_LINKS unwind.h:$unwind_header" ;;
- "md-unwind-support.h") CONFIG_LINKS="$CONFIG_LINKS md-unwind-support.h:config/$md_unwind_header" ;;
- "sfp-machine.h") CONFIG_LINKS="$CONFIG_LINKS sfp-machine.h:config/$sfp_machine_header" ;;
- "gthr-default.h") CONFIG_LINKS="$CONFIG_LINKS gthr-default.h:$thread_header" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
"default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
if $ac_need_defaults; then
test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
- test "${CONFIG_LINKS+set}" = set || CONFIG_LINKS=$config_links
test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
fi
fi # test -n "$CONFIG_HEADERS"
-eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :L $CONFIG_LINKS :C $CONFIG_COMMANDS"
+eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS"
shift
for ac_tag
do
|| as_fn_error "could not create -" "$LINENO" 5
fi
;;
- :L)
- #
- # CONFIG_LINK
- #
-
- if test "$ac_source" = "$ac_file" && test "$srcdir" = '.'; then
- :
- else
- # Prefer the file from the source tree if names are identical.
- if test "$ac_source" = "$ac_file" || test ! -r "$ac_source"; then
- ac_source=$srcdir/$ac_source
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: linking $ac_source to $ac_file" >&5
-$as_echo "$as_me: linking $ac_source to $ac_file" >&6;}
-
- if test ! -r "$ac_source"; then
- as_fn_error "$ac_source: file not found" "$LINENO" 5
- fi
- rm -f "$ac_file"
-
- # Try a relative symlink, then a hard link, then a copy.
- case $srcdir in
- [\\/$]* | ?:[\\/]* ) ac_rel_source=$ac_source ;;
- *) ac_rel_source=$ac_top_build_prefix$ac_source ;;
- esac
- ln -s "$ac_rel_source" "$ac_file" 2>/dev/null ||
- ln "$ac_source" "$ac_file" 2>/dev/null ||
- cp -p "$ac_source" "$ac_file" ||
- as_fn_error "cannot link or copy $ac_source to $ac_file" "$LINENO" 5
- fi
- ;;
:C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
$as_echo "$as_me: executing $ac_file commands" >&6;}
;;
projects / gcc.git / blobdiff