Enlightenment CVS committal
Author : raster
Project : e17
Module : libs/eet
Dir : e17/libs/eet
Modified Files:
configure.in
Log Message:
add a check for c99 %a format support - so all those people with mysterious
errors will know why and who to contact for fixes (not us!)
===================================================================
RCS file: /cvsroot/enlightenment/e17/libs/eet/configure.in,v
retrieving revision 1.47
retrieving revision 1.48
diff -u -3 -r1.47 -r1.48
--- configure.in 12 Jan 2006 05:43:07 -0000 1.47
+++ configure.in 14 Jan 2006 08:59:42 -0000 1.48
@@ -55,17 +55,39 @@
AC_MSG_CHECKING([value of the null pointer])
AC_TRY_RUN([
#include <stdlib.h>
-int main () {
-void *foo = NULL;
-int bar = (int) foo;
-
-return (int) foo;}
-], AC_MSG_RESULT([\o/]), [
- AC_MSG_RESULT([o_O])
+int main (int argc, char **argv) {
+ void *foo = NULL;
+ int bar = (int)foo;
+ return (int)foo;
+}
+], AC_MSG_RESULT([yes]), [
+ AC_MSG_RESULT([no])
AC_MSG_WARN([Your system is a bit too funny, eet might not work
properly])
], AC_MSG_WARN([Cannot check when cross-compiling -- assuming null is okay])
)
+AC_MSG_CHECKING([OS libc C99 '%a' support])
+AC_TRY_RUN([
+#include <stdio.h>
+int main(int argc, char **argv) {
+ char buf[4096];
+ float ival = 0.1234, oval = 0.0;
+ snprintf(buf, sizeof(buf), "%a", (double)ival);
+ sscanf(buf, "%a", &oval);
+ if (ival != oval) return -1;
+ return 0;
+}
+], AC_MSG_RESULT([yes]), [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Unsupported Operating System!
+Your OS does not support C99's '%a' string format. Eet cannot function without
+it. Please contact your OS vendor to get updates for C99 '%a' floating point
+format read/write support or change operating systems for one with support
+for an already very old standard. (Linux is known to support this, as is
+Solaris 10)])
+], AC_MSG_WARN([Cannot check when cross-compiling -- assuming C99 '%a' support
is OK])
+)
+
if test "x${bindir}" = 'x${exec_prefix}/bin'; then
if test "x${exec_prefix}" = "xNONE"; then
if test "x${prefix}" = "xNONE"; then
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