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-rwxr-xr-xconfigure124
1 files changed, 122 insertions, 2 deletions
diff --git a/configure b/configure
index 6b0afdc4..bb3ea6c3 100755
--- a/configure
+++ b/configure
@@ -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"