diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index d32312d..64c3cf3 100644 --- a/configure.ac +++ b/configure.ac @@ -20,8 +20,8 @@ # Process this file with autoconf to produce a configure script. -AC_PREREQ(2.59) -min_automake_version="1.9.3" +AC_PREREQ(2.61) +min_automake_version="1.10" # Remember to change the version number immediately *after* a release. # Set my_issvn to "yes" for non-released code. Remember to run an @@ -67,6 +67,10 @@ AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) AC_PROG_AWK AC_PROG_CC AC_PROG_CPP +AM_PROG_CC_C_O +if test "x$ac_cv_prog_cc_c89" = "xno" ; then + AC_MSG_ERROR([[No C-89 compiler found]]) +fi AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MAKE_SET @@ -75,6 +79,16 @@ AC_PROG_RANLIB if test "$GCC" = yes; then CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes" + + AC_MSG_CHECKING([if gcc supports -Wpointer-arith]) + _gcc_cflags_save=$CFLAGS + CFLAGS="-Wpointer-arith" + AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_wopt=yes,_gcc_wopt=no) + AC_MSG_RESULT($_gcc_wopt) + CFLAGS=$_gcc_cflags_save; + if test x"$_gcc_wopt" = xyes ; then + CFLAGS="$CFLAGS -Wpointer-arith" + fi fi @@ -162,6 +176,7 @@ AC_TYPE_SIZE_T AC_TYPE_SIGNAL AC_DECL_SYS_SIGLIST +gl_HEADER_SYS_SOCKET gl_TYPE_SOCKLEN_T AC_CHECK_MEMBER(struct cmsghdr.cmsg_len, |