diff options
Diffstat (limited to 'm4/vararrays.m4')
| -rw-r--r-- | m4/vararrays.m4 | 66 |
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, |