diff options
| -rw-r--r-- | config/mmap.m4 | 22 | ||||
| -rw-r--r-- | config/no-executables.m4 | 4 | ||||
| -rw-r--r-- | libiberty/Makefile.in | 1 | ||||
| -rw-r--r-- | libiberty/acinclude.m4 | 2 | ||||
| -rw-r--r-- | libiberty/aclocal.m4 | 1 | ||||
| -rwxr-xr-x | libiberty/configure | 5 | ||||
| -rw-r--r-- | zlib/Makefile.in | 2 | ||||
| -rw-r--r-- | zlib/acinclude.m4 | 1 | ||||
| -rwxr-xr-x | zlib/configure | 7 |
9 files changed, 34 insertions, 11 deletions
diff --git a/config/mmap.m4 b/config/mmap.m4 index fba0d9d..326b97b 100644 --- a/config/mmap.m4 +++ b/config/mmap.m4 @@ -95,3 +95,25 @@ if test $gcc_cv_func_mmap_anon = yes; then [Define if mmap with MAP_ANON(YMOUS) works.]) fi ]) + +dnl +dnl Avoid the sanitizer run-time memory leak failure in the mmap configure +dnl test. This should be removed when autoconf with commit: +dnl +dnl commit 09b6e78d1592ce10fdc975025d699ee41444aa3f +dnl Author: Paul Eggert <eggert@cs.ucla.edu> +dnl Date: Fri Feb 5 21:06:20 2016 -0800 +dnl Fix memory leak in AC_FUNC_MMAP +dnl +dnl * lib/autoconf/functions.m4 (AC_FUNC_MMAP): Fix memory leak +dnl in test case, found by configuring with gcc -fsanitize=address. +dnl +dnl is in use. +dnl +AC_DEFUN([GCC_AC_FUNC_MMAP], + save_ASAN_OPTIONS="$ASAN_OPTIONS" + ASAN_OPTIONS=detect_leaks=0 + export ASAN_OPTIONS + m4_defn([AC_FUNC_MMAP]) + ASAN_OPTIONS="$save_ASAN_OPTIONS" +) diff --git a/config/no-executables.m4 b/config/no-executables.m4 index 6842f84..e8e2537 100644 --- a/config/no-executables.m4 +++ b/config/no-executables.m4 @@ -49,14 +49,14 @@ m4_defn([AC_LINK_IFELSE])) dnl This is a shame. We have to provide a default for some link tests, dnl similar to the default for run tests. -m4_define([AC_FUNC_MMAP], +m4_define([GCC_AC_FUNC_MMAP], if test x$gcc_no_link = xyes; then if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then ac_cv_func_mmap_fixed_mapped=no fi fi if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then - m4_defn([AC_FUNC_MMAP]) + m4_defn([GCC_AC_FUNC_MMAP]) fi) m4_divert_pop()dnl diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in index 85c4b6b..b77a41c 100644 --- a/libiberty/Makefile.in +++ b/libiberty/Makefile.in @@ -508,6 +508,7 @@ aclocal_deps = \ $(srcdir)/../config/cet.m4 \ $(srcdir)/../config/enable.m4 \ $(srcdir)/../config/gcc-plugin.m4 \ + $(srcdir)/../config/mmap.m4 \ $(srcdir)/../config/no-executables.m4 \ $(srcdir)/../config/override.m4 \ $(srcdir)/../config/picflag.m4 \ diff --git a/libiberty/acinclude.m4 b/libiberty/acinclude.m4 index 9974dcd..d08e31b 100644 --- a/libiberty/acinclude.m4 +++ b/libiberty/acinclude.m4 @@ -19,7 +19,7 @@ dnl On some versions of SunOS4 at least, strncmp reads a word at a time dnl but erroneously reads past the end of strings. This can cause dnl a SEGV in some cases. AC_DEFUN([libiberty_AC_FUNC_STRNCMP], -[AC_REQUIRE([AC_FUNC_MMAP]) +[AC_REQUIRE([GCC_AC_FUNC_MMAP]) AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works, [AC_TRY_RUN([ /* Test by Jim Wilson and Kaveh Ghazi. diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4 index 364fb6b..9678b0a 100644 --- a/libiberty/aclocal.m4 +++ b/libiberty/aclocal.m4 @@ -17,6 +17,7 @@ m4_include([../config/cet.m4]) m4_include([../config/enable.m4]) m4_include([../config/gcc-plugin.m4]) m4_include([../config/hwcaps.m4]) +m4_include([../config/mmap.m4]) m4_include([../config/no-executables.m4]) m4_include([../config/override.m4]) m4_include([../config/picflag.m4]) diff --git a/libiberty/configure b/libiberty/configure index 5c69fee..18e98b8 100755 --- a/libiberty/configure +++ b/libiberty/configure @@ -7724,6 +7724,9 @@ if test x$gcc_no_link = xyes; then fi fi if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then + save_ASAN_OPTIONS="$ASAN_OPTIONS" + ASAN_OPTIONS=detect_leaks=0 + export ASAN_OPTIONS for ac_func in getpagesize do : @@ -7902,6 +7905,8 @@ $as_echo "#define HAVE_MMAP 1" >>confdefs.h fi rm -f conftest.mmap conftest.txt + ASAN_OPTIONS="$save_ASAN_OPTIONS" + fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working strncmp" >&5 diff --git a/zlib/Makefile.in b/zlib/Makefile.in index dd8a21d..951260a 100644 --- a/zlib/Makefile.in +++ b/zlib/Makefile.in @@ -98,7 +98,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \ $(top_srcdir)/../config/override.m4 \ $(top_srcdir)/../ltoptions.m4 $(top_srcdir)/../ltsugar.m4 \ $(top_srcdir)/../ltversion.m4 $(top_srcdir)/../lt~obsolete.m4 \ - $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/acinclude.m4 $(top_srcdir)/../config/mmap.m4 \ $(top_srcdir)/../config/no-executables.m4 \ $(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ diff --git a/zlib/acinclude.m4 b/zlib/acinclude.m4 index 9a5f548..3b8be00 100644 --- a/zlib/acinclude.m4 +++ b/zlib/acinclude.m4 @@ -1,3 +1,4 @@ +sinclude(../config/mmap.m4) sinclude(../config/no-executables.m4) sinclude(../libtool.m4) dnl The lines below arrange for aclocal not to bring libtool.m4 diff --git a/zlib/configure b/zlib/configure index 2d55136..0e8a28a 100755 --- a/zlib/configure +++ b/zlib/configure @@ -11245,12 +11245,6 @@ if test -n "$with_cross_host"; then # We ignore --with-system-zlib in this case. target_all=libzgcj.la else - if test x$gcc_no_link = xyes; then - if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then - ac_cv_func_mmap_fixed_mapped=no - fi -fi -if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then @@ -11452,7 +11446,6 @@ $as_echo "#define HAVE_MMAP 1" >>confdefs.h fi rm -f conftest.mmap conftest.txt -fi for ac_func in memcpy strerror do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` |