enable_option_checking
enable_multilib
enable_silent_rules
+enable_largefile
with_target_subdir
with_cross_host
with_newlib
--enable-multilib build many library versions (default)
--enable-silent-rules less verbose build output (undo: "make V=1")
--disable-silent-rules verbose build output (undo: "make V=0")
+ --disable-largefile omit support for large files
--enable-maintainer-mode
enable make rules and dependencies not useful (and
sometimes confusing) to the casual installer
CXXFLAGS="$save_CXXFLAGS"
+
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then :
+ enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if ${ac_cv_sys_largefile_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_cv_sys_largefile_CC=no
+ if test "$GCC" != yes; then
+ ac_save_CC=$CC
+ while :; do
+ # IRIX 6.2 and later do not support large files by default,
+ # so use the C compiler's -n32 option if that helps.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ if ac_fn_c_try_compile "$LINENO"; then :
+ break
+fi
+rm -f core conftest.err conftest.$ac_objext
+ CC="$CC -n32"
+ if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+ break
+ done
+ CC=$ac_save_CC
+ rm -f conftest.$ac_ext
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+ if test "$ac_cv_sys_largefile_CC" != no; then
+ CC=$CC$ac_cv_sys_largefile_CC
+ fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if ${ac_cv_sys_file_offset_bits+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_cv_sys_file_offset_bits=unknown
+ break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+ no | unknown) ;;
+ *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+ if test $ac_cv_sys_file_offset_bits = unknown; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if ${ac_cv_sys_large_files+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_cv_sys_large_files=unknown
+ break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+ no | unknown) ;;
+ *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -rf conftest*
+ fi
+
+
+fi
+
+
# Runs configure.host, and assorted other critical bits. Sets
# up critical shell variables.
-
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11853 "configure"
+#line 12056 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11959 "configure"
+#line 12162 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
-#line 15651 "configure"
+#line 15854 "configure"
int main()
{
typedef bool atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15686 "configure"
+#line 15889 "configure"
int main()
{
typedef short atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15721 "configure"
+#line 15924 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15757 "configure"
+#line 15960 "configure"
int main()
{
typedef long long atomic_type;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15910 "configure"
+#line 16113 "configure"
int main()
{
_Decimal32 d1;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15952 "configure"
+#line 16155 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15986 "configure"
+#line 16189 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
# catenation.
allcreated = \
${host_builddir}/c++config.h \
+ ${host_builddir}/largefile-config.h \
${thread_host_headers} \
${pch_build}
echo 'undef _GLIBCXX_USE_FLOAT128' > stamp-float128
endif
+# This header is not installed, it's only used to build libstdc++ itself.
+${host_builddir}/largefile-config.h: ${CONFIG_HEADER} \
+ ${glibcxx_srcdir}/include/bits/c++config
+ @echo '#if defined _GLIBCXX_CXX_CONFIG_H || defined _FEATURES_H' > $@
+ @echo '# error "This file must be included before any others"' >> $@
+ @echo '#endif' >> $@
+ @echo >> $@
+ @echo '/* Enable large inode numbers on Mac OS X 10.5. */' >> $@
+ @echo '#ifndef _DARWIN_USE_64_BIT_INODE' >> $@
+ @echo '# define _DARWIN_USE_64_BIT_INODE 1' >> $@
+ @echo '#endif' >> $@
+ @echo >> $@
+ @echo '/* Number of bits in a file offset, on hosts where this is settable. */' >> $@
+ @grep '_FILE_OFFSET_BITS' ${CONFIG_HEADER} >> $@
+ @echo >> $@
+ @echo '/* Define for large files, on AIX-style hosts. */' >> $@
+ @grep '_LARGE_FILES' ${CONFIG_HEADER} >> $@
+
# NB: The non-empty default ldbl_compat works around an AIX sed
# oddity, see libstdc++/31957 for details.
${host_builddir}/c++config.h: ${CONFIG_HEADER} \
${glibcxx_srcdir}/include/bits/c++config \
+ ${host_builddir}/largefile-config.h \
stamp-${host_alias} \
${toplevel_srcdir}/gcc/DATESTAMP \
stamp-namespace-version \
-e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
-e 's/VERSION/_GLIBCXX_VERSION/g' \
-e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+ -e 's/_DARWIN_USE_64_BIT_INODE/_GLIBCXX_DARWIN_USE_64_BIT_INODE/g' \
+ -e 's/_FILE_OFFSET_BITS/_GLIBCXX_FILE_OFFSET_BITS/g' \
+ -e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
-e 's/ICONV_CONST/_GLIBCXX_ICONV_CONST/g' \
-e '/[ ]_GLIBCXX_LONG_DOUBLE_COMPAT[ ]/d' \
< ${CONFIG_HEADER} >> $@ ;\
# catenation.
allcreated = \
${host_builddir}/c++config.h \
+ ${host_builddir}/largefile-config.h \
${thread_host_headers} \
${pch_build}
@ENABLE_FLOAT128_FALSE@stamp-float128:
@ENABLE_FLOAT128_FALSE@ echo 'undef _GLIBCXX_USE_FLOAT128' > stamp-float128
+# This header is not installed, it's only used to build libstdc++ itself.
+${host_builddir}/largefile-config.h: ${CONFIG_HEADER} \
+ ${glibcxx_srcdir}/include/bits/c++config
+ @echo '#if defined _GLIBCXX_CXX_CONFIG_H || defined _FEATURES_H' > $@
+ @echo '# error "This file must be included before any others"' >> $@
+ @echo '#endif' >> $@
+ @echo >> $@
+ @echo '/* Enable large inode numbers on Mac OS X 10.5. */' >> $@
+ @echo '#ifndef _DARWIN_USE_64_BIT_INODE' >> $@
+ @echo '# define _DARWIN_USE_64_BIT_INODE 1' >> $@
+ @echo '#endif' >> $@
+ @echo >> $@
+ @echo '/* Number of bits in a file offset, on hosts where this is settable. */' >> $@
+ @grep '_FILE_OFFSET_BITS' ${CONFIG_HEADER} >> $@
+ @echo >> $@
+ @echo '/* Define for large files, on AIX-style hosts. */' >> $@
+ @grep '_LARGE_FILES' ${CONFIG_HEADER} >> $@
+
# NB: The non-empty default ldbl_compat works around an AIX sed
# oddity, see libstdc++/31957 for details.
${host_builddir}/c++config.h: ${CONFIG_HEADER} \
${glibcxx_srcdir}/include/bits/c++config \
+ ${host_builddir}/largefile-config.h \
stamp-${host_alias} \
${toplevel_srcdir}/gcc/DATESTAMP \
stamp-namespace-version \
-e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
-e 's/VERSION/_GLIBCXX_VERSION/g' \
-e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+ -e 's/_DARWIN_USE_64_BIT_INODE/_GLIBCXX_DARWIN_USE_64_BIT_INODE/g' \
+ -e 's/_FILE_OFFSET_BITS/_GLIBCXX_FILE_OFFSET_BITS/g' \
+ -e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
-e 's/ICONV_CONST/_GLIBCXX_ICONV_CONST/g' \
-e '/[ ]_GLIBCXX_LONG_DOUBLE_COMPAT[ ]/d' \
< ${CONFIG_HEADER} >> $@ ;\
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