enable_maintainer_mode
enable_multilib
enable_dependency_tracking
+enable_symvers
enable_shared
enable_static
with_pic
--enable-multilib build many library versions (default)
--disable-dependency-tracking speeds up one-time build
--enable-dependency-tracking do not reject slow dependency extractors
+ --disable-symvers disable symbol versioning for libgfortran
--enable-shared[=PKGS] build shared libraries [default=yes]
--enable-static[=PKGS] build static libraries [default=yes]
--enable-fast-install[=PKGS]
# Check for symbol versioning (copied from libssp).
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symbol versioning is supported" >&5
$as_echo_n "checking whether symbol versioning is supported... " >&6; }
-save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
-cat > conftest.map <<EOF
+# Check whether --enable-symvers was given.
+if test "${enable_symvers+set}" = set; then :
+ enableval=$enable_symvers; gfortran_use_symver=$enableval
+else
+ gfortran_use_symver=yes
+fi
+
+if test "x$gfortran_use_symver" = xyes; then
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
+ cat > conftest.map <<EOF
FOO_1.0 {
global: *foo*; bar; local: *;
};
EOF
-if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
-if test x$gfortran_use_symver = xno; then
- case "$target_os" in
- solaris2*)
- LDFLAGS="$save_LDFLAGS"
- LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
- # Sun ld cannot handle wildcards and treats all entries as undefined.
- cat > conftest.map <<EOF
+ if test x$gfortran_use_symver = xno; then
+ case "$target_os" in
+ solaris2*)
+ LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
+ # Sun ld cannot handle wildcards and treats all entries as undefined.
+ cat > conftest.map <<EOF
FOO_1.0 {
global: foo; local: *;
};
EOF
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- ;;
- esac
+ ;;
+ esac
+ fi
+ LDFLAGS="$save_LDFLAGS"
fi
-LDFLAGS="$save_LDFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gfortran_use_symver" >&5
$as_echo "$gfortran_use_symver" >&6; }
if test "x$gfortran_use_symver" != xno; then
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12104 "configure"
+#line 12115 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12210 "configure"
+#line 12221 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
fi
fi
+
+# Types
ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
if test "x$ac_cv_type_off_t" = x""yes; then :
#define off_t long int
_ACEOF
+fi
+
+
+ ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "$ac_includes_default"
+if test "x$ac_cv_type_intptr_t" = x""yes; then :
+
+$as_echo "#define HAVE_INTPTR_T 1" >>confdefs.h
+
+else
+ for ac_type in 'int' 'long int' 'long long int'; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+cat >>confdefs.h <<_ACEOF
+#define intptr_t $ac_type
+_ACEOF
+
+ ac_type=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ test -z "$ac_type" && break
+ done
+fi
+
+
+
+ ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
+if test "x$ac_cv_type_uintptr_t" = x""yes; then :
+
+$as_echo "#define HAVE_UINTPTR_T 1" >>confdefs.h
+
+else
+ for ac_type in 'unsigned int' 'unsigned long int' \
+ 'unsigned long long int'; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+cat >>confdefs.h <<_ACEOF
+#define uintptr_t $ac_type
+_ACEOF
+
+ ac_type=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ test -z "$ac_type" && break
+ done
+fi
+
+
+ac_fn_c_check_type "$LINENO" "ptrdiff_t" "ac_cv_type_ptrdiff_t" "$ac_includes_default"
+if test "x$ac_cv_type_ptrdiff_t" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_PTRDIFF_T 1
+_ACEOF
+
+
fi
fi
done
-for ac_func in clock_gettime strftime
+for ac_func in clock_gettime strftime readlink
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
# Check for glibc backtrace functions
-for ac_func in backtrace backtrace_symbols
+for ac_func in backtrace backtrace_symbols_fd
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
done
-# Check for types
-ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "$ac_includes_default"
-if test "x$ac_cv_type_intptr_t" = x""yes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_INTPTR_T 1
-_ACEOF
-
-
-fi
-
-ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
-if test "x$ac_cv_type_uintptr_t" = x""yes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_UINTPTR_T 1
-_ACEOF
-
-
-fi
-
-
# Check libc for getgid, getpid, getuid
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getgid in -lc" >&5
$as_echo_n "checking for getgid in -lc... " >&6; }
fi
-# At least for glibc, clock_gettime is in librt. But don't pull that
-# in if it still doesn't give us the function we want.
-# This test is copied from libgomp, and modified to not link in -lrt
-# as libgfortran calls clock_gettime via a weak reference.
+# At least for glibc and Tru64, clock_gettime is in librt. But don't
+# pull that in if it still doesn't give us the function we want. This
+# test is copied from libgomp, and modified to not link in -lrt as
+# libgfortran calls clock_gettime via a weak reference if it's found
+# in librt.
if test $ac_cv_func_clock_gettime = no; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for clock_gettime in -lrt" >&5
$as_echo_n "checking for clock_gettime in -lrt... " >&6; }
$as_echo "$ac_cv_lib_rt_clock_gettime" >&6; }
if test "x$ac_cv_lib_rt_clock_gettime" = x""yes; then :
-$as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
+$as_echo "#define HAVE_CLOCK_GETTIME_LIBRT 1" >>confdefs.h
fi
CFLAGS="$CFLAGS -Wunknown-pragmas"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+
void foo (void);
#pragma weak foo
+
int
main ()
{
fi
case "$host" in
- *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
+ *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | alpha*-dec-osf* )
$as_echo "#define GTHREAD_USE_WEAK 0" >>confdefs.h