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diff src/auto/configure @ 2629:1ccc1ace9e5b v7.3.050

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updated for version 7.3.050 Problem: The link script is clumsy. Solution: Use the --as-needed linker option if available. (Kirill A. Shutemov)
author Bram Moolenaar <bram@vim.org>
date Wed, 03 Nov 2010 22:32:24 +0100
parents 5c4b2fc4f067
children b803b2776880
line wrap: on
line diff
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -593,6 +593,7 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+LINK_AS_NEEDED
 DEPEND_CFLAGS_FILTER
 MAKEMO
 MSGFMT
@@ -12404,6 +12405,23 @@ if test "$GCC" = yes; then
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker --as-needed support" >&5
+$as_echo_n "checking linker --as-needed support... " >&6; }
+LINK_AS_NEEDED=
+# Check if linker supports --as-needed and --no-as-needed options
+if $CC -Wl,--help 2>/dev/null | grep as-needed > /dev/null; then
+  LDFLAGS="$LDFLAGS -Wl,--as-needed"
+  LINK_AS_NEEDED=yes
+fi
+if test "$LINK_AS_NEEDED" = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
 ac_config_files="$ac_config_files auto/config.mk:config.mk.in"
 
 cat >confcache <<\_ACEOF