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| author | Simon Josefsson <simon@josefsson.org> | 2009-04-01 16:49:57 +0200 |
|---|---|---|
| committer | Simon Josefsson <simon@josefsson.org> | 2009-04-01 16:49:57 +0200 |
| commit | 68f982e01be79f241a306e1dd7328fa1f307ab0c (patch) | |
| tree | 878210b244f94749a57dc8cb475f9b3bac2c64a3 /m4 | |
| parent | 13e7b3562bf8212bec68e4945aca58185aa35ed5 (diff) | |
| download | gnulib-68f982e01be79f241a306e1dd7328fa1f307ab0c.tar.gz | |
Add lib-msvc-compat module.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ld-output-def.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/ld-output-def.m4 b/m4/ld-output-def.m4 new file mode 100644 index 0000000000..1aa6a6fbbf --- /dev/null +++ b/m4/ld-output-def.m4 @@ -0,0 +1,29 @@ +# ld-output-def.m4 serial 2 +dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson + +# gl_LD_OUTPUT_DEF() +# ------------- +# Check if linker supports -Wl,--output-def and define automake +# conditional HAVE_LD_OUTPUT_DEF if it is. +AC_DEFUN([gl_LD_OUTPUT_DEF], +[ + AC_CACHE_CHECK([if gcc/ld supports -Wl,--output-def], + [gl_cv_ld_output_def], + [if test "$enable_shared" = no; then + gl_cv_ld_output_def="not needed, shared libraries are disabled" + else + gl_ldflags_save=$LDFLAGS + LDFLAGS="-Wl,--output-def,conftest.def" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], + [gl_cv_ld_output_def=yes], + [gl_cv_ld_output_def=no]) + rm -f conftest.def + LDFLAGS="$gl_ldflags_save" + fi]) + AM_CONDITIONAL([HAVE_LD_OUTPUT_DEF], test "x$gl_cv_ld_output_def" = "xyes") +]) |