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Re: GDB cvs won't build on AIX 4.1
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: "Peter.Schauer" <Peter dot Schauer at Regent dot E-Technik dot TU-Muenchen dot DE>
- Cc: ezannoni at redhat dot com, ac131313 at cygnus dot com, gdb at sources dot redhat dot com
- Cc: gdb-patches at sources dot redhat dot com
- Date: 24 Feb 2002 10:06:14 -0300
- Subject: Re: GDB cvs won't build on AIX 4.1
- Organization: GCC Team, Red Hat
- References: <200202042059.VAA27761@reaktor.regent.e-technik.tu-muenchen.de>
On Feb 4, 2002, "Peter.Schauer" <Peter.Schauer@Regent.E-Technik.TU-Muenchen.DE> wrote:
> -mminimal-toc is only available with gcc, so we might loose again, if someone
> tries to build GDB with the native compiler.
Besides, I'm not convinced the performance loss of -mminimal-toc would
be smaller than that of -bbigtoc, so I went with the latter for now.
Tested on AIX 4.1. Ok to install?
Index: gdb/ChangeLog
from Alexandre Oliva <aoliva@redhat.com>
* configure.in (gdb_cv_bigtoc): Check for -bbigtoc on AIX.
* configure: Rebuilt.
Index: gdb/configure.in
===================================================================
RCS file: /cvs/src/src/gdb/configure.in,v
retrieving revision 1.82
diff -u -p -r1.82 configure.in
--- gdb/configure.in 2002/02/24 04:31:13 1.82
+++ gdb/configure.in 2002/02/24 13:05:16
@@ -511,6 +511,23 @@ AC_MSG_RESULT($gdb_cv_scanf_has_long_dou
AC_FUNC_MMAP
+case ${host_os} in
+aix*)
+ AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
+ SAVE_LDFLAGS=$LDFLAGS
+
+ case $GCC in
+ yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
+ *) gdb_cv_bigtoc=-bbigtoc ;;
+ esac
+
+ LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
+ AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
+ ])
+ CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
+ ;;
+esac
+
dnl See if thread_db library is around for Solaris thread debugging. Note that
dnl we must explicitly test for version 1 of the library because version 0
dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist Professional serial bug killer