X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=configure.ac;h=307b8596a2d91d67ab1e82a3ebabccf9ce777c9d;hb=7c2d726cd4c2716e9c211b5a5ab5d7713e1dfc5e;hp=f4154bd04a9b25694b1ed59fac63d4ebe9becc33;hpb=357a499884543ec285238c9ec6c53565fa4d5b48;p=coloredstderr%2Fcoloredstderr.git

diff --git a/configure.ac b/configure.ac
index f4154bd..307b859 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,8 @@ AC_C_INLINE
 AX_C___ATTRIBUTE__
 
 AC_FUNC_FORK
-AC_CHECK_FUNCS([dup2 memmove setenv strdup])
+AC_CHECK_FUNCS([memmove setenv],
+               [],[AC_MSG_ERROR([function is required])])
 
 dnl Thanks to gperftools' configure.ac (https://code.google.com/p/gperftools).
 AC_MSG_CHECKING([for __builtin_expect])
@@ -61,12 +62,12 @@ AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([dlsym() is required])])
 AC_ARG_ENABLE([warnings],
               [AS_HELP_STRING([--enable-warnings],[enable warning output])],
               [if test "x$enableval" = xyes; then
-                   AC_DEFINE([WARNING], 1, [Define to enable warning output.])
+                   AC_DEFINE([WARNING], 1, [Define to 1 enable warning output.])
                fi])
 AC_ARG_ENABLE([debug],
               [AS_HELP_STRING([--enable-debug],[enable debug output])],
               [if test "x$enableval" = xyes; then
-                   AC_DEFINE([DEBUG], 1, [Define to enable debug output.])
+                   AC_DEFINE([DEBUG], 1, [Define to 1 enable debug output.])
                    dnl DEBUG implies WARNING
                    AC_DEFINE([WARNING], 1)
                fi])