<-- snip -->
$ autoconf --version
autoconf (GNU Autoconf) 2.69.22-787a
...
$ gcc --version
gcc (Debian 4.7.1-9) 4.7.1
...
$ cat configure.ac
AC_INIT
AC_PROG_CC_C99
AC_PROG_CC_C11
$ ./configure
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for gcc option to accept ISO C99... -std=gnu99
checking for gcc -std=gnu99 option to accept ISO C11... none needed
$
<-- snip -->
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed