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Fix bug reported by Paul Townsend on AIX 4.3.3.0 with CFLAGS=-O4

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or CFLAGS=-O5.  In that case, the linker has a relaxed view of
fatal errors, and AC_CHECK_LIB causes it to include libraries even
when they don't exist.

* lib/autoconf/headers.m4 (AC_HEADER_DIRENT): Use AC_SEARCH_LIBS,
not AC_CHECK_LIB, so that we don't use -ldir or -lx if we don't
need it.

* lib/autoconf/specific.m4 (AC_ISC_POSIX): Replace the old, crufty
version with the version used by fileutils 4.1, except use
AC_SEARCH_LIBS, not AC_CHECK_LIB, so that we don't use -lcposix if
we don't need it.

* doc/autoconf.texi (AC_ISC_POSIX): Describe new behavior.
This commit is contained in:
Paul Eggert 2001-09-17 19:42:12 +00:00
parent cf951e25b3
commit 8638d098f3
1 changed files with 18 additions and 0 deletions
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@ -1,3 +1,21 @@
2001-09-17 Paul Eggert <eggert@twinsun.com>
Fix bug reported by Paul Townsend on AIX 4.3.3.0 with CFLAGS=-O4
or CFLAGS=-O5. In that case, the linker has a relaxed view of
fatal errors, and AC_CHECK_LIB causes it to include libraries even
when they don't exist.
* lib/autoconf/headers.m4 (AC_HEADER_DIRENT): Use AC_SEARCH_LIBS,
not AC_CHECK_LIB, so that we don't use -ldir or -lx if we don't
need it.
* lib/autoconf/specific.m4 (AC_ISC_POSIX): Replace the old, crufty
version with the version used by fileutils 4.1, except use
AC_SEARCH_LIBS, not AC_CHECK_LIB, so that we don't use -lcposix if
we don't need it.
* doc/autoconf.texi (AC_ISC_POSIX): Describe new behavior.
2001-09-13 Akim Demaille <akim@epita.fr>
* tests/base.at, tests/m4sh.at: Be sure to issue the bangshe line