[Emacs-diffs] /srv/bzr/emacs/trunk r104608: configure.in: Try to determine CRT_DIR automatically when using gcc

[Miles Bader]

------------------------------------------------------------
revno: 104608
committer: Miles Bader <address@hidden>
branch nick: trunk
timestamp: Fri 2011-06-17 02:50:21 +0900
message:
  configure.in: Try to determine CRT_DIR automatically when using gcc
modified:
  ChangeLog
  configure.in

=== modified file 'ChangeLog'
--- a/ChangeLog 2011-06-15 22:27:54 +0000
+++ b/ChangeLog 2011-06-16 17:50:21 +0000
@@ -1,3 +1,8 @@
+2011-06-16  Miles Bader <address@hidden>
+
+       * configure.in: Try to determine CRT_DIR automatically when
+       using gcc.
+
 2011-06-15  Paul Eggert  <address@hidden>
 
        * lib/ftoastr.c, lib/stdio.in.h, lib/verify.h:

=== modified file 'configure.in'
--- a/configure.in      2011-06-14 21:08:20 +0000
+++ b/configure.in      2011-06-16 17:50:21 +0000
@@ -988,6 +988,21 @@
 AC_SYS_LARGEFILE
 
 
+## If we're using gcc, and the user hasn't specified a crt-dir, try to
+## determine it automatically by asking gcc.  [If this doesn't work,
+## CRT_DIR will remain empty and system-dependent code will be used
+## below.]
+##
+if test "x${GCC}z$CRT_DIR" = xyesz; then
+   crt_file=`$CC 2>/dev/null --print-file-name=crt1.o`
+   case "$crt_file" in
+     */*)
+       CRT_DIR=`AS_DIRNAME(["$crt_file"])`
+       ;;
+   esac
+fi
+
+
 ## If user specified a crt-dir, use that unconditionally.
 if test "X$CRT_DIR" = "X"; then