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| author | Darren Tucker <dtucker@zip.com.au> | 2006-09-18 23:17:40 +1000 |
|---|---|---|
| committer | Darren Tucker <dtucker@zip.com.au> | 2006-09-18 23:17:40 +1000 |
| commit | 9216c37d60fdb8b9e247541991248e0ca86cac07 (patch) | |
| tree | 3062f8c017765ab665656d6ccf363efba011236c /configure.ac | |
| parent | 83bbb03e52743b8b0d6500fdf46bd9436b0a2543 (diff) | |
- (dtucker) [configure.ac] On AIX, check to see if the compiler will allow
macro redefinitions, and if not, remove "-qlanglvl=ansi" from the flags.
Allows build out of the box with older VAC and XLC compilers. Found by
David Bronder and Bernhard Simon.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index cfc5d594..f790f9a5 100644 --- a/configure.ac +++ b/configure.ac @@ -1,4 +1,4 @@ -# $Id: configure.ac,v 1.364 2006/09/12 11:54:11 djm Exp $ +# $Id: configure.ac,v 1.365 2006/09/18 13:17:41 dtucker Exp $ # # Copyright (c) 1999-2004 Damien Miller # @@ -15,7 +15,7 @@ # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org) -AC_REVISION($Revision: 1.364 $) +AC_REVISION($Revision: 1.365 $) AC_CONFIG_SRCDIR([ssh.c]) AC_CONFIG_HEADER(config.h) @@ -134,6 +134,27 @@ SPC_MSG="no" # Check for some target-specific stuff case "$host" in *-*-aix*) + # Some versions of VAC won't allow macro redefinitions at + # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that + # particularly with older versions of vac or xlc. + # It also throws errors about null macro argments, but these are + # not fatal. + AC_MSG_CHECKING(if compiler allows macro redefinitions) + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([[ +#define testmacro foo +#define testmacro bar +int main(void) { exit(0); } + ]])], + [ AC_MSG_RESULT(yes) ], + [ AC_MSG_RESULT(no) + CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`" + LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`" + CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`" + CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`" + ] + ) + AC_MSG_CHECKING([how to specify blibpath for linker ($LD)]) if (test -z "$blibpath"); then blibpath="/usr/lib:/lib" |