fix the windows build even more

[ghc-base.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index d03e738..d40392a 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -105,6 +105,14 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
 # include <ctype.h>
 #endif
 
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#else
+# if HAVE_STDINT_H
+#  include <stdint.h>
+# endif
+#endif
+
 #if defined(HAVE_GL_GL_H)
 # include <GL/gl.h>
 #elif defined(HAVE_OPENGL_GL_H)
@@ -127,15 +135,17 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
 # include <sys/resource.h>
 #endif
 
+#include <stdlib.h>
+
 typedef $1 testing;
 
-main() {
+int main(void) {
   FILE *f=fopen("conftestval", "w");
   if (!f) exit(1);
   if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
     fprintf(f, "%s%d\n",
            ((testing)(-1) < (testing)0) ? "Int" : "Word",
-           sizeof(testing)*8);
+           (int)(sizeof(testing)*8));
   } else {
     fprintf(f,"%s\n",
            (sizeof(testing) >  sizeof(double)) ? "LDouble" :
@@ -169,6 +179,8 @@ AC_DEFUN([FP_READDIR_EOF_ERRNO],
 [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <dirent.h>
 #include <stdio.h>
 #include <errno.h>
+#include <sys/stat.h>
+
 int
 main(argc, argv)
 int argc;
@@ -216,3 +228,39 @@ char **argv;
 [fptools_cv_readdir_eof_errno=0])])
 AC_DEFINE_UNQUOTED([READDIR_ERRNO_EOF], [$fptools_cv_readdir_eof_errno], [readdir() sets errno to this upon EOF])
 ])# FP_READDIR_EOF_ERRNO
+
+# FP_SEARCH_LIBS_PROTO(WHAT, PROTOTYPE, FUNCTION, SEARCH-LIBS,
+#                [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
+#                [OTHER-LIBRARIES])
+# --------------------------------------------------------
+# Search for a library defining FUNC, if it's not already available.
+# This is a copy of the AC_SEARCH_LIBS definition, but extended to take
+# the name of the thing we are looking for as its first argument, and
+# prototype text as its second argument. It also calls AC_LANG_PROGRAM
+# instead of AC_LANG_CALL
+AC_DEFUN([FP_SEARCH_LIBS_PROTO],
+[AS_VAR_PUSHDEF([ac_Search], [ac_cv_search_$3])dnl
+AC_CACHE_CHECK([for library containing $1], [ac_Search],
+[ac_func_search_save_LIBS=$LIBS
+AC_LANG_CONFTEST([AC_LANG_PROGRAM([$2], [$3])])
+for ac_lib in '' $4; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib $7 $ac_func_search_save_LIBS"
+  fi
+  AC_LINK_IFELSE([], [AS_VAR_SET([ac_Search], [$ac_res])])
+  AS_VAR_SET_IF([ac_Search], [break])dnl
+done
+AS_VAR_SET_IF([ac_Search], , [AS_VAR_SET([ac_Search], [no])])dnl
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS])
+ac_res=AS_VAR_GET([ac_Search])
+AS_IF([test "$ac_res" != no],
+  [test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  $5],
+      [$6])dnl
+AS_VAR_POPDEF([ac_Search])dnl
+])
+