update for HEAD-2003050101

[reactos.git] / lib / freetype / builds / unix / ft-munmap.m4

diff --git a/lib/freetype/builds/unix/ft-munmap.m4 b/lib/freetype/builds/unix/ft-munmap.m4
new file mode 100644 (file)
index 0000000..37ebbd9
--- /dev/null
+++ b/lib/freetype/builds/unix/ft-munmap.m4
@@ -0,0 +1,31 @@
+## FreeType specific autoconf tests
+
+# serial 1 FT_MUNMAP_DECL
+
+AC_DEFUN(FT_MUNMAP_DECL,
+[AC_MSG_CHECKING([whether munmap must be declared])
+AC_CACHE_VAL(ft_cv_munmap_decl,
+[AC_TRY_COMPILE([
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/mman.h>],
+[char *(*pfn) = (char *(*))munmap],
+ft_cv_munmap_decl=no,
+ft_cv_munmap_decl=yes)])
+AC_MSG_RESULT($ft_cv_munmap_decl)
+if test $ft_cv_munmap_decl = yes; then
+  AC_DEFINE(NEED_MUNMAP_DECL,,
+  [Define to 1 if munmap() is not defined in <sys/mman.h>])
+fi])
+
+AC_DEFUN(FT_MUNMAP_PARAM,
+[AC_MSG_CHECKING([for munmap's first parameter type])
+AC_TRY_COMPILE([
+#include <unistd.h>
+#include <sys/mman.h>
+int munmap(void *, size_t);],,
+  AC_MSG_RESULT([void *]);AC_DEFINE(MUNMAP_USES_VOIDP,,
+    [Define to 1 if the first argument of munmap is of type void *]),
+  AC_MSG_RESULT([char *]))
+])