X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=configure.ac;h=307b8596a2d91d67ab1e82a3ebabccf9ce777c9d;hb=55e8d0d38a256496f9eca9d7f293e1d2e8692a2c;hp=cb3af17f496992dd59789ef0a2e2748ae06ff243;hpb=d4f585e07894e949c3479b0ab679003064a28689;p=coloredstderr%2Fcoloredstderr.git

diff --git a/configure.ac b/configure.ac
index cb3af17..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])