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authorPaul Eggert <eggert@cs.ucla.edu>2018-06-29 17:31:04 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2018-06-29 17:32:35 -0700
commit35e9dcab5141bf9cae67abe740933fe627ecc371 (patch)
tree2813d1f6340df34a97695874e5546e4b2454d555 /m4/vararrays.m4
parent2e2811865f0adb6658a87d3581a2dc3a9022f451 (diff)
downloademacs-35e9dcab5141bf9cae67abe740933fe627ecc371.tar.gz
Update from Gnulib
This incorporates: 2018-06-29 regex: glibc does not use intprops.h 2018-06-28 regex: port to recently proposed glibc regex merge 2018-06-25 Continue to use spaces for indentation, not tabs 2018-06-25 manywarnings: Don't enable -Wjump-misses-init by default 2018-06-25 acl-internal.h: remove _GL_ATTRIBUTE_CONST on void function 2018-06-24 manywarnings: accommodate GCC 9: remove -Wchkp and -Wabi 2018-06-24 maint: clarify comments about sticky EOF 2018-06-24 af_alg: avoid hangs when reading from streams 2018-06-17 crypto: use byteswap 2018-06-17 getloadavg: Return 0 on MS-Windows without Cygwi 2018-06-17 getloadavg: Allow building on MS-Windows without Cygwin * build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex: * lib/acl-internal.c, lib/acl-internal.h, lib/get-permissions.c: * lib/getloadavg.c, lib/gettimeofday.c, lib/md5.c, lib/pselect.c: * lib/set-permissions.c, lib/sha1.c, lib/sha256.c, lib/sha512.c: * lib/time.in.h, m4/getloadavg.m4, m4/gnulib-common.m4: * m4/manywarnings.m4, m4/pthread_sigmask.m4, m4/vararrays.m4: Copy from Gnulib.
Diffstat (limited to 'm4/vararrays.m4')
-rw-r--r--m4/vararrays.m466
1 files changed, 33 insertions, 33 deletions
diff --git a/m4/vararrays.m4 b/m4/vararrays.m4
index 329eb490c3c..17563b519b0 100644
--- a/m4/vararrays.m4
+++ b/m4/vararrays.m4
@@ -18,44 +18,44 @@ AC_DEFUN([AC_C_VARARRAYS],
ac_cv_c_vararrays,
[AC_EGREP_CPP([defined],
[#ifdef __STDC_NO_VLA__
- defined
- #endif
+ defined
+ #endif
],
[ac_cv_c_vararrays='no: __STDC_NO_VLA__ is defined'],
[AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[/* Test for VLA support. This test is partly inspired
- from examples in the C standard. Use at least two VLA
- functions to detect the GCC 3.4.3 bug described in:
- https://lists.gnu.org/r/bug-gnulib/2014-08/msg00014.html
- */
- #ifdef __STDC_NO_VLA__
- syntax error;
- #else
- extern int n;
- int B[100];
- int fvla (int m, int C[m][m]);
+ [AC_LANG_PROGRAM(
+ [[/* Test for VLA support. This test is partly inspired
+ from examples in the C standard. Use at least two VLA
+ functions to detect the GCC 3.4.3 bug described in:
+ https://lists.gnu.org/r/bug-gnulib/2014-08/msg00014.html
+ */
+ #ifdef __STDC_NO_VLA__
+ syntax error;
+ #else
+ extern int n;
+ int B[100];
+ int fvla (int m, int C[m][m]);
- int
- simple (int count, int all[static count])
- {
- return all[count - 1];
- }
+ int
+ simple (int count, int all[static count])
+ {
+ return all[count - 1];
+ }
- int
- fvla (int m, int C[m][m])
- {
- typedef int VLA[m][m];
- VLA x;
- int D[m];
- static int (*q)[m] = &B;
- int (*s)[n] = q;
- return C && &x[0][0] == &D[0] && &D[0] == s[0];
- }
- #endif
- ]])],
- [ac_cv_c_vararrays=yes],
- [ac_cv_c_vararrays=no])])])
+ int
+ fvla (int m, int C[m][m])
+ {
+ typedef int VLA[m][m];
+ VLA x;
+ int D[m];
+ static int (*q)[m] = &B;
+ int (*s)[n] = q;
+ return C && &x[0][0] == &D[0] && &D[0] == s[0];
+ }
+ #endif
+ ]])],
+ [ac_cv_c_vararrays=yes],
+ [ac_cv_c_vararrays=no])])])
if test "$ac_cv_c_vararrays" = yes; then
dnl This is for compatibility with Autoconf 2.61-2.69.
AC_DEFINE([HAVE_C_VARARRAYS], 1,