- # OK, works on sane cases. Now check whether nonexistent headers
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-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
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- # Passes both tests.
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-fi
-rm -f conftest.err conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
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-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
- $as_echo_n "(cached) " >&6
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- if test -z "$GREP"; then
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- # Loop through the user's path and test for each of PROGNAME-LIST
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- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in grep ggrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
- { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
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- ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'GREP' >> "conftest.nl"
- "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_GREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_GREP="$ac_path_GREP"
- ac_path_GREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_GREP_found && break 3
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- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_GREP"; then
- as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_GREP=$GREP
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
- then ac_cv_path_EGREP="$GREP -E"
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- if test -z "$EGREP"; then
- ac_path_EGREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in egrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
- { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
- # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'EGREP' >> "conftest.nl"
- "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_EGREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_EGREP="$ac_path_EGREP"
- ac_path_EGREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_EGREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_EGREP"; then
- as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_EGREP=$EGREP
-fi
-
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_header_stdc=yes
-else
- ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
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-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
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-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "free" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
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-fi
-
-if test $ac_cv_header_stdc = yes; then
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- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
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-#include <stdlib.h>
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- (('a' <= (c) && (c) <= 'i') \
- || ('j' <= (c) && (c) <= 'r') \
- || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
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-{
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- return 2;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
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-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
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- inttypes.h stdint.h unistd.h
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-_ACEOF
-
-fi
-
-done
-
-
-for ac_header in libelf.h
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- cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF_H 1
-_ACEOF
- have_libelf_h=yes
-fi
-
-done
-
- for ac_header in gelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "gelf.h" "ac_cv_header_gelf_h" "$ac_includes_default"
-if test "x$ac_cv_header_gelf_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_GELF_H 1
-_ACEOF
- have_gelf_h=yes
-fi
-
-done
-
-
- for ac_header in libelf/libelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "libelf/libelf.h" "ac_cv_header_libelf_libelf_h" "$ac_includes_default"
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- cat >>confdefs.h <<_ACEOF
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-_ACEOF
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-done
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- for ac_header in libelf/gelf.h
-do :
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- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # If we couldn't find gelf.h and the user forced it, emit an error.
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- && test x"$have_libelf_gelf_h" != x"yes" ; then
- if test x"$default_enable_lto" != x"yes" ; then
- as_fn_error "LTO support requires gelf.h or libelf/gelf.h." "$LINENO" 5
- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # Check that the detected libelf has the functions we need. We cannot
- # rely on just detecting the headers since they do not include
- # versioning information. Add functions, if needed.
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- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of libelf" >&5
-$as_echo_n "checking for the correct version of libelf... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <libelf.h>
-int
-main ()
-{
-
- elf_errmsg (0);
- elf_getscn (0, 0);
- elf_nextscn (0, 0);
- elf_strptr (0, 0, 0);
- elf_getident (0, 0);
- elf_getshdrstrndx (0, 0);
- elf_begin (0, 0, 0);
- elf_ndxscn (0);
- elf_end (0);
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }; enable_lto=no; libelflibs= ; libelfinc=
-
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-
- # If we couldn't enable LTO and the user forced it, emit an error.
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-to specify its location." "$LINENO" 5
- fi
- fi
-
- CFLAGS="$saved_CFLAGS"
- CPPFLAGS="$saved_CPPFLAGS"
- LIBS="$saved_LIBS"
-
- fi
-
- # Flags needed for libelf.
-
-
-fi
-
-
-# By default, C is the only stage 1 language.
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-
-# Target libraries that we bootstrap.
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-
-# Figure out what language subdirectories are present.
-# Look if the user specified --enable-languages="..."; if not, use
-# the environment variable $LANGUAGES if defined. $LANGUAGES might
-# go away some day.
-# NB: embedded tabs in this IF block -- do not untabify
-if test -d ${srcdir}/gcc; then
- if test x"${enable_languages+set}" != xset; then
- if test x"${LANGUAGES+set}" = xset; then
- enable_languages="${LANGUAGES}"
- echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
- else
- enable_languages=all
- fi
- else
- if test x"${enable_languages}" = x ||
- test x"${enable_languages}" = xyes;
- then
- echo configure.in: --enable-languages needs at least one language argument 1>&2
- exit 1
- fi
- fi
- enable_languages=`echo "${enable_languages}" | sed -e 's/[ ,][ ,]*/,/g' -e 's/,$//'`
-
- # 'f95' is the old name for the 'fortran' language. We issue a warning
- # and make the substitution.
- case ,${enable_languages}, in
- *,f95,*)
- echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
- enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
- ;;
- esac
-
- # First scan to see if an enabled language requires some other language.
- # We assume that a given config-lang.in will list all the language
- # front ends it requires, even if some are required indirectly.
- for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
- case ${lang_frag} in
- ..) ;;
- # The odd quoting in the next line works around
- # an apparent bug in bash 1.12 on linux.
- ${srcdir}/gcc/[*]/config-lang.in) ;;
- *)
- # From the config-lang.in, get $language, $lang_requires
- language=
- lang_requires=
- . ${lang_frag}
- for other in ${lang_requires} ; do
- case ,${enable_languages}, in
- *,$other,*) ;;
- *,all,*) ;;
- *,$language,*)
- echo " \`$other' language required by \`$language'; enabling" 1>&2
- enable_languages="${enable_languages},${other}"
- ;;
- esac
- done
- ;;
- esac
- done
-
- new_enable_languages=,c,
-
- # If LTO is enabled, add the LTO front end.
- extra_host_libiberty_configure_flags=
- if test "$enable_lto" = "yes" ; then
- case ,${enable_languages}, in
- *,lto,*) ;;
- *) enable_languages="${enable_languages},lto" ;;
- esac
- if test "${ENABLE_GOLD}" = "yes" ; then
- configdirs="$configdirs lto-plugin"
- extra_host_libiberty_configure_flags=--enable-shared
- fi
- fi
-
-
- missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
- potential_languages=,c,
-
- for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
- case ${lang_frag} in
- ..) ;;
- # The odd quoting in the next line works around
- # an apparent bug in bash 1.12 on linux.
- ${srcdir}/gcc/[*]/config-lang.in) ;;
- *)
- # From the config-lang.in, get $language, $target_libs,
- # $lang_dirs, $boot_language, and $build_by_default
- language=
- target_libs=
- lang_dirs=
- subdir_requires=
- boot_language=no
- build_by_default=yes
- . ${lang_frag}
- if test x${language} = x; then
- echo "${lang_frag} doesn't set \$language." 1>&2
- exit 1
- fi
-
- if test "$language" = "c++" \
- && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
- boot_language=yes
- fi
-
- case ,${enable_languages}, in
- *,${language},*)
- # Language was explicitly selected; include it.
- add_this_lang=yes
- ;;
- *,all,*)
- # 'all' was selected, select it if it is a default language
- add_this_lang=${build_by_default}
- ;;
- *)
- add_this_lang=no
- ;;
- esac
-
- # Disable languages that need other directories if these aren't available.
- for i in $subdir_requires; do
- test -f "$srcdir/gcc/$i/config-lang.in" && continue
- case ,${enable_languages}, in
- *,${language},*)
- # Specifically requested language; tell them.
- as_fn_error "The gcc/$i directory contains parts of $language but is missing" "$LINENO" 5
- ;;
- *)
- # Silently disable.
- add_this_lang=unsupported
- ;;
- esac
- done
-
- # Disable Ada if no preexisting GNAT is available.
- case ,${enable_languages},:${language}:${have_gnat} in
- *,${language},*:ada:no)
- # Specifically requested language; tell them.
- as_fn_error "GNAT is required to build $language" "$LINENO" 5