X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=configure.ac;h=6248625db45315e73f11a1899cf0cf6b8e8b93ac;hb=9862b8c8f13fe3d5a6012a8d67562bdaef48b8af;hp=c59f94205a5a489aa617b2c579b71c371e1b4bfd;hpb=dbafded223070ff12b0e321f21e6122ac5247e6e;p=coloredstderr%2Fcoloredstderr.git

diff --git a/configure.ac b/configure.ac
index c59f942..6248625 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,11 @@ dnl Used by test suite.
 AC_PROG_SED
 AC_PROG_EGREP
 
-AC_CHECK_HEADERS([fcntl.h])
+if test "x$GCC" = xyes; then
+    CFLAGS="-Wall -Wextra -Wconversion $CFLAGS"
+fi
+
+AC_CHECK_HEADERS([fcntl.h error.h])
 
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
@@ -41,8 +45,6 @@ AC_TYPE_SSIZE_T
 AC_C_INLINE
 
 AC_FUNC_FORK
-AC_FUNC_MALLOC
-AC_FUNC_REALLOC
 AC_CHECK_FUNCS([dup2 memmove setenv strdup])
 
 AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([dlsym() is required])])
@@ -53,5 +55,8 @@ AC_ARG_ENABLE([debug],
                    AC_DEFINE([DEBUG], 1, [Define to enable debug output.])
                fi])
 
+dnl Used in tests/Makefile.am to build the test only if error() is available.
+AM_CONDITIONAL([HAVE_ERROR_H],[test "x$ac_cv_header_error_h" = xyes])
+
 AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile])
 AC_OUTPUT