diff options
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/src/configure.ac b/src/configure.ac index 9a76644..892a053 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -20,7 +20,8 @@ dnl You should have received a copy of the GNU General Public License dnl along with this program. If not, see <https://www.gnu.org/licenses/>. AC_PREREQ([2.64]) -AC_INIT([main.cc]) +AC_INIT +AC_CONFIG_SRCDIR([main.cc]) AC_CONFIG_HEADERS([config.h]) AC_PROG_MAKE_SET dnl @@ -39,15 +40,14 @@ CL_PROG_INSTALL dnl dnl checks for compiler characteristics dnl -AC_MSG_CHECKING([for stack-allocated variable-size arrays]) -AC_CACHE_VAL([gp_cv_cxx_dynamic_array], [ -AC_LANG_SAVE() -AC_LANG_CPLUSPLUS() -AC_TRY_COMPILE([int func (int n) { int dynamic_array[n]; }], [], - [gp_cv_cxx_dynamic_array=yes], [gp_cv_cxx_dynamic_array=no]) -AC_LANG_RESTORE() -]) -AC_MSG_RESULT([$gp_cv_cxx_dynamic_array]) +AC_CACHE_CHECK([for stack-allocated variable-size arrays], + [gp_cv_cxx_dynamic_array], + [AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[int func (int n) { int dynamic_array[n]; }]], [[]])], + [gp_cv_cxx_dynamic_array=yes], [gp_cv_cxx_dynamic_array=no]) + AC_LANG_POP([C++]) + ]) if test $gp_cv_cxx_dynamic_array = yes; then AC_DEFINE([HAVE_DYNAMIC_ARRAY], [1], [Define if the C++ compiler supports stack-allocated variable-size arrays.]) @@ -63,4 +63,5 @@ AC_SUBST([GPERF_LIBM]) dnl dnl That's it. dnl -AC_OUTPUT([Makefile]) +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT |