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authorH.J. Lu <hongjiu.lu@intel.com>2015-07-14 14:25:35 +0000
committerH.J. Lu <hjl@gcc.gnu.org>2015-07-14 07:25:35 -0700
commit96a58590dd57e67e7ef65f1dee8ee9fa2c460457 (patch)
tree283d05c62f478517a553de7fb4c73d0181b4189d /config
parent6ed80e1e5116abd6a8119b9c187bcd261ac55b1b (diff)
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This patch syncs zlib.m4 with binutils-gdb and uses AM_ZLIB from zlib.m4
in gcc/configure.ac. config/ * zlib.m4: Sync with binutils-gdb. gcc/ * Makefile.in (top_srcdir): New. * configure.ac: Use AM_ZLIB. * configure: Regeneated. From-SVN: r225774
Diffstat (limited to 'config')
-rw-r--r--config/ChangeLog4
-rw-r--r--config/zlib.m427
2 files changed, 18 insertions, 13 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index 843ad72..311378e 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * zlib.m4: Sync with binutils-gdb.
+
2015-06-30 H.J. Lu <hongjiu.lu@intel.com>
* dfp.m4 (enable_decimal_float): Also set to yes for
diff --git a/config/zlib.m4 b/config/zlib.m4
index b017499..afa57d1 100644
--- a/config/zlib.m4
+++ b/config/zlib.m4
@@ -1,18 +1,19 @@
-dnl A function to check for zlib availability. zlib is used by default
-dnl unless the user configured with --disable-nls.
+dnl A function to check if the system's zlib library should be used. The
+dnl builtin zlib dnl is used by default unless the user configured with
+dnl --with-system-zlib.
AC_DEFUN([AM_ZLIB],
[
- # See if the user specified whether he wants zlib support or not.
- AC_ARG_WITH(zlib,
- [ --with-zlib include zlib support (auto/yes/no) [default=auto]],
- [], [with_zlib=auto])
-
- if test "$with_zlib" != "no"; then
- AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
- if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then
- AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found])
- fi
+ # Use the system's zlib library.
+ zlibdir="-L\$(top_builddir)/../zlib"
+ zlibinc="-I\$(top_srcdir)/../zlib"
+ AC_ARG_WITH(system-zlib,
+ [AS_HELP_STRING([--with-system-zlib], [use installed libz])],
+ if test x$with_system_zlib = xyes ; then
+ zlibdir=
+ zlibinc=
fi
+ )
+ AC_SUBST(zlibdir)
+ AC_SUBST(zlibinc)
])
-