X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=76e961ddbb552ac06f84a304323c7a0a21f6c969;hb=1856c4c75bc0c9248197be4181f0ae3c7e7e16ae;hp=44353a1993d97bc9d7d587ab83f8420a2435783d;hpb=f13895fc3b7a38c909ee0d2d7c1de24381858024;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index 44353a1..76e961d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1241,23 +1241,25 @@ AC_C_BIGENDIAN
 dnl ** check for leading underscores in symbol names
 FP_LEADING_UNDERSCORE
 
-dnl ** check for ld, and whether ld has -x option
-AC_PATH_PROG(LdCmdRaw, ld)
-case $HostOS_CPP in
- mingw32) 
-        if test "${OSTYPE}" == "msys"
-	   then
-             LdCmd=${LdCmdRaw}
-	   else
-             LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
-	fi
- 	   ;;
- *) LdCmd=${LdCmdRaw}
-    ;;
-esac
-AC_SUBST(LdCmd)
-FPTOOLS_LD_X
-FPTOOLS_GNU_LD
+dnl ** check for ld, whether it has an -x option, and if it is GNU ld
+FP_PROG_LD_X
+FP_PROG_LD_IS_GNU
+
+dnl ** check for Apple-style dead-stripping support
+dnl    (.subsections-via-symbols assembler directive)
+
+
+AC_MSG_CHECKING(for .subsections_via_symbols)
+AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
+    [
+        AC_MSG_RESULT(yes)
+        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
+            [Define to 1 if Apple-style dead-stripping is supported.])
+    ],
+    [
+        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
+            [Define to 1 if Apple-style dead-stripping is supported.])
+    ])
 
 AC_CONFIG_FILES([mk/config.mk])
 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])