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-rw-r--r--configure.ac23
-rw-r--r--m4/compiler_options.m427
2 files changed, 29 insertions, 21 deletions
diff --git a/configure.ac b/configure.ac
index 0ec4229f81..a1c553cfe2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1010,27 +1010,8 @@ if test "${enable_more_logging}" = "yes"; then
AC_DEFINE(NM_MORE_LOGGING, [1], [Define if more debug logging is enabled])
fi
-AC_ARG_ENABLE(lto, AS_HELP_STRING([--enable-lto], [Enable Link Time Optimization for smaller size (default: no)]))
-if (test "${enable_lto}" = "yes"); then
- CFLAGS="-flto $CFLAGS"
-else
- enable_lto='no'
-fi
-
-AC_ARG_ENABLE(ld-gc, AS_HELP_STRING([--enable-ld-gc], [Enable garbage collection of unused symbols on linking (default: auto)]))
-if (test "${enable_ld_gc}" != "no"); then
- CC_CHECK_FLAG_APPEND([ld_gc_flags], [CFLAGS], [-fdata-sections -ffunction-sections -Wl,--gc-sections])
- if (test -n "${ld_gc_flags}"); then
- enable_ld_gc="yes"
- CFLAGS="$CFLAGS $ld_gc_flags"
- else
- if (test "${enable_ld_gc}" = "yes"); then
- AC_MSG_ERROR([Unused symbol eviction requested but not supported.])
- else
- enable_ld_gc="no"
- fi
- fi
-fi
+NM_LTO
+NM_LD_GC
AC_ARG_ENABLE(address-sanitizer, AS_HELP_STRING([--enable-address-sanitizer],
[Compile with address sanitizer (default: no)]))
diff --git a/m4/compiler_options.m4 b/m4/compiler_options.m4
index c998711d72..fa35b91681 100644
--- a/m4/compiler_options.m4
+++ b/m4/compiler_options.m4
@@ -124,3 +124,30 @@ else
AC_MSG_RESULT(no)
fi
])
+
+AC_DEFUN([NM_LTO],
+[AC_ARG_ENABLE(lto, AS_HELP_STRING([--enable-lto], [Enable Link Time Optimization for smaller size (default: no)]))
+if (test "${enable_lto}" = "yes"); then
+ CFLAGS="-flto $CFLAGS"
+else
+ enable_lto='no'
+fi
+])
+
+AC_DEFUN([NM_LD_GC],
+[AC_ARG_ENABLE(ld-gc, AS_HELP_STRING([--enable-ld-gc], [Enable garbage collection of unused symbols on linking (default: auto)]))
+if (test "${enable_ld_gc}" != "no"); then
+ CC_CHECK_FLAG_APPEND([ld_gc_flags], [CFLAGS], [-fdata-sections -ffunction-sections -Wl,--gc-sections])
+ if (test -n "${ld_gc_flags}"); then
+ enable_ld_gc="yes"
+ CFLAGS="$CFLAGS $ld_gc_flags"
+ else
+ if (test "${enable_ld_gc}" = "yes"); then
+ AC_MSG_ERROR([Unused symbol eviction requested but not supported.])
+ else
+ enable_ld_gc="no"
+ fi
+ fi
+fi
+])
+