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authorDariusz Michaluk <d.michaluk@samsung.com>2024-02-13 15:44:51 +0100
committerDariusz Michaluk <d.michaluk@samsung.com>2024-02-14 10:46:44 +0100
commitc28e9eeaa4dccef63b3b237ebe8a8b5abb23e335 (patch)
tree504a1953b56446487f4759d3a5f348bbeb925461 /m4/ld-output-def.m4
parent1778d37a3eec1209d7c9c064318f3ff8c5132490 (diff)
parent031996ef501f8c3d0532f7df1c38cf2e540a4f11 (diff)
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Change-Id: I893fd2c90c487d6e13b0b10e25b2cafc408da180
Diffstat (limited to 'm4/ld-output-def.m4')
-rw-r--r--m4/ld-output-def.m429
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 0000000..b3e95af
--- /dev/null
+++ b/m4/ld-output-def.m4
@@ -0,0 +1,29 @@
+# ld-output-def.m4 serial 3
+dnl Copyright (C) 2008-2022 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")
+])