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| author | Roland McGrath <roland@gnu.org> | 1996-03-25 08:09:03 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1996-03-25 08:09:03 +0000 |
| commit | bb74d931d6ded15b7bb587d1cc2e168cb91193f3 (patch) | |
| tree | 3b0b6ea5679b067d577c6d86b2c9b5dd8fa295d1 | |
| parent | 74df62968161b52bec92c1df8b0f138764cbe8cc (diff) | |
After CC tool check, invoke AC_PROG_CC to set default CFLAGS and test for GCC.
Barf if not GCC.
| -rw-r--r-- | configure.in | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 7603efca..dc5039d4 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -AC_REVISION([$Id: configure.in,v 1.2 1995/09/21 23:07:35 roland Exp $]) +AC_REVISION([$Id: configure.in,v 1.3 1996/03/25 08:09:03 roland Exp $]) AC_PREREQ(2.4) dnl Minimum Autoconf version required. AC_INIT(hurd/hurd_types.h) dnl A distinctive file to look for in srcdir. @@ -12,7 +12,16 @@ gnu*) ;; esac AC_PROG_INSTALL + AC_CHECK_TOOL(CC, gcc) +# That check handles cross-compilation well, but AC_PROG_CC tests for GCC +# and sets default CFLAGS nicely for us, so do that too. +AC_PROG_CC +# Require GCC. +if test x$GCC != xyes; then + AC_MSG_ERROR([this code uses GNU C extensions, you must compile with GCC]) +fi + AC_CHECK_TOOL(LD, ld) AC_CHECK_TOOL(OBJCOPY, objcopy) AC_CHECK_TOOL(AR, ar) |