diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 124 |
1 files changed, 122 insertions, 2 deletions
@@ -703,6 +703,7 @@ GNULIB_MEMRCHR GNULIB_MEMPCPY GNULIB_MEMMEM GNULIB_MEMCHR +IGNORE_UNUSED_LIBRARIES_CFLAGS GL_COND_LIBTOOL_FALSE GL_COND_LIBTOOL_TRUE LIBOBJS @@ -4469,6 +4470,7 @@ $as_echo "$ac_cv_safe_to_define___extensions__" >&6; } # Code from module extensions: # Code from module include_next: + # Code from module lib-ignore: # Code from module memchr: # Code from module stddef: # Code from module string: @@ -5763,6 +5765,64 @@ fi # Code from module c++defs: # Code from module extensions: # Code from module include_next: + # Code from module lib-ignore: + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler flag to ignore unused libraries" >&5 +$as_echo_n "checking for C compiler flag to ignore unused libraries... " >&6; } +if test "${gl_cv_prog_c_ignore_unused_libraries+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + gl_cv_prog_c_ignore_unused_libraries=none + gl_saved_ldflags=$LDFLAGS + gl_saved_libs=$LIBS + # Link with -lm to detect binutils 2.16 bug with --as-needed; see + # <http://lists.gnu.org/archive/html/bug-gnulib/2006-06/msg00131.html>. + LIBS="$LIBS -lm" + # Use long option sequences like '-z ignore' to test for the feature, + # to forestall problems with linkers that have -z, -i, -g, -n, etc. flags. + # GCC + binutils likes '-Wl,--as-needed'. + # GCC + Solaris ld likes '-Wl,-z,ignore'. + # Sun C likes '-Wl,-z,ignore'. '-z ignore' is accepted but has no effect. + # Don't try bare '--as-needed'; nothing likes it and the HP-UX 11.11 + # native cc issues annoying warnings and then ignores it, + # which would cause us to incorrectly conclude that it worked. + for gl_flags in '-Wl,--as-needed' \ + '-Wl,-z,ignore' \ + '-z ignore' + + do + LDFLAGS="$gl_flags $LDFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_prog_c_ignore_unused_libraries=$gl_flags +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$gl_saved_ldflags + test "$gl_cv_prog_c_ignore_unused_libraries" != none && + break + done + LIBS=$gl_saved_libs + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_prog_c_ignore_unused_libraries" >&5 +$as_echo "$gl_cv_prog_c_ignore_unused_libraries" >&6; } + IGNORE_UNUSED_LIBRARIES_CFLAGS= + if test "$gl_cv_prog_c_ignore_unused_libraries" != none; then + IGNORE_UNUSED_LIBRARIES_CFLAGS="$gl_cv_prog_c_ignore_unused_libraries" + fi + + # Code from module memchr: @@ -7177,12 +7237,72 @@ $as_echo "yes" >&6; } fi -CFLAGS="$CFLAGS $HDF5_CFLAGS $GTK_CFLAGS $GSL_CFLAGS $OPENCL_CFLAGS -pthread" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler flag to ignore unused libraries" >&5 +$as_echo_n "checking for C compiler flag to ignore unused libraries... " >&6; } +if test "${gl_cv_prog_c_ignore_unused_libraries+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + gl_cv_prog_c_ignore_unused_libraries=none + gl_saved_ldflags=$LDFLAGS + gl_saved_libs=$LIBS + # Link with -lm to detect binutils 2.16 bug with --as-needed; see + # <http://lists.gnu.org/archive/html/bug-gnulib/2006-06/msg00131.html>. + LIBS="$LIBS -lm" + # Use long option sequences like '-z ignore' to test for the feature, + # to forestall problems with linkers that have -z, -i, -g, -n, etc. flags. + # GCC + binutils likes '-Wl,--as-needed'. + # GCC + Solaris ld likes '-Wl,-z,ignore'. + # Sun C likes '-Wl,-z,ignore'. '-z ignore' is accepted but has no effect. + # Don't try bare '--as-needed'; nothing likes it and the HP-UX 11.11 + # native cc issues annoying warnings and then ignores it, + # which would cause us to incorrectly conclude that it worked. + for gl_flags in '-Wl,--as-needed' \ + '-Wl,-z,ignore' \ + '-z ignore' + + do + LDFLAGS="$gl_flags $LDFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_prog_c_ignore_unused_libraries=$gl_flags +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$gl_saved_ldflags + test "$gl_cv_prog_c_ignore_unused_libraries" != none && + break + done + LIBS=$gl_saved_libs + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_prog_c_ignore_unused_libraries" >&5 +$as_echo "$gl_cv_prog_c_ignore_unused_libraries" >&6; } + IGNORE_UNUSED_LIBRARIES_CFLAGS= + if test "$gl_cv_prog_c_ignore_unused_libraries" != none; then + IGNORE_UNUSED_LIBRARIES_CFLAGS="$gl_cv_prog_c_ignore_unused_libraries" + fi + + + + +CFLAGS="$CFLAGS $HDF5_CFLAGS $GSL_CFLAGS $OPENCL_CFLAGS -pthread $GTK_CFLAGS" CFLAGS="$CFLAGS $LIBTIFF_CFLAGS -D_GNU_SOURCE $libPNG_CFLAGS $Cairo_CFLAGS" CFLAGS="$CFLAGS $GDK_pixbuf_CFLAGS $GDK_pixbuf_2_CFLAGS" LIBS="$LIBS $HDF5_LIBS -lm -lz $GSL_LIBS $GTK_LIBS $OPENCL_LIBS -pthread" LIBS="$LIBS $LIBTIFF_LIBS $libPNG_LIBS $Cairo_LIBS $GDK_pixbuf_LIBS" -LIBS="$LIBS $GDK_pixbuf_2_LIBS" +LIBS="$LIBS $GDK_pixbuf_2_LIBS $LDFLAGS" + ac_config_files="$ac_config_files Makefile lib/Makefile" |