Extend the assembler so that it can automatically generate GNU Build attribute notes...

[deliverable/binutils-gdb.git] / gas / configure.ac

diff --git a/gas/configure.ac b/gas/configure.ac
index 4a84f16f519d6ae2aa88ebc1e62a621b44b49071..a639422026ca7444d3c66b0ac923ba746afde0e2 100644 (file)
--- a/gas/configure.ac
+++ b/gas/configure.ac
@@ -100,6 +100,20 @@ AC_ARG_ENABLE(elf_stt_common,
   yes)  ac_default_elf_stt_common=1 ;;
 esac])dnl
 
+
+# Decide if the ELF assembler should default to generating
+# GNU Build notes if none are provided by the input.
+ac_default_generate_build_notes=0
+# Provide a configuration option to override the default.
+AC_ARG_ENABLE(generate_build_notes,
+             AS_HELP_STRING([--enable-generate-build-notes],
+             [generate GNU Build notes if none are provided by the input]),
+[case "${enableval}" in
+  yes)  ac_default_generate_build_notes=1 ;;
+  no)   ac_default_generate_build_notes=0 ;;
+esac])dnl
+
+
 using_cgen=no
 
 AM_BINUTILS_WARNINGS
@@ -596,6 +610,11 @@ AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
   [Define to 1 if you want to generate ELF common symbols with the
    STT_COMMON type by default.])
 
+AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
+  $ac_default_generate_build_notes,
+  [Define to 1 if you want to generate GNU Build attribute notes
+   by default, if none are contained in the input.])
+
 if test x$ac_default_compressed_debug_sections = xyes ; then
   AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
 fi