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From Joe Orton <jor...@redhat.com>
Subject [PATCH] configure: fix INT64_C detection
Date Fri, 13 Sep 2002 21:37:30 GMT
INT64_C is not being detected if defined in stdint.h; the code path 
for that case goes:

  ac_cv_define_INT64_C=no
  APR_CHECK_DEFINE(INT64_C, stdint.h)

The AC_CACHE_CHECK in APR_CHECK_DEFINE sees that ac_cv_define_INT64_C is
already defined, and fails:

checking for INT64_C... no
checking for INT64_C in stdint.h... (cached) no

This patch fixes that, simplifies the code to use a single
AC_CACHE_CHECK, and gets out of the ac_cv_* namespace which is reserved
by autoconf.

(this patch is cumulative to my earlier AC_DEFINE cleanup patch; let me
know if I should resubmit these in a different order)

--- ./configure.in.second	Fri Sep 13 22:07:46 2002
+++ ./configure.in	Fri Sep 13 22:17:29 2002
@@ -1092,29 +1092,26 @@
     int64_t_fmt_len='#error Can not determine the proper size for apr_int64_t'
 fi
 
-dnl # If present, allow the C99 macro INT64_C to override our conversion.
-dnl #
-dnl # HP-UX's ANSI C compiler provides this without any includes, so we
-dnl # will first look for INT64_C without adding stdint.h
-AC_MSG_CHECKING(for INT64_C)
-stdint=0
+# If present, allow the C99 macro INT64_C to override our conversion.
+#
+# HP-UX's ANSI C compiler provides this without any includes, so we
+# will first look for INT64_C without adding stdint.h
+AC_CACHE_CHECK([for INT64_C], [apr_cv_define_INT64_C], [
 AC_EGREP_CPP(YES_IS_DEFINED,
 [#ifdef INT64_C
 YES_IS_DEFINED
-#endif
-], 
-[ ac_cv_define_INT64_C=yes
-  AC_MSG_RESULT(yes)
-],
-[ ac_cv_define_INT64_C=no 
-  AC_MSG_RESULT(no)
-  APR_CHECK_DEFINE(INT64_C, stdint.h, [Define if INT64_C is available])
-  if test "$ac_cv_define_INT64_C" = "yes"; then
-    stdint=1
-  fi
-])
-if test "$ac_cv_define_INT64_C" = "yes"; then
+#endif], [apr_cv_define_INT64_C=yes], [
+    # Now check for INT64_C in stdint.h
+    AC_EGREP_CPP(YES_IS_DEFINED, [#include <stdint.h>
+#ifdef INT64_C
+YES_IS_DEFINED
+#endif], [apr_cv_define_INT64_C=yes], [apr_cv_define_INT64_C=no])])])
+
+if test "$apr_cv_define_INT64_C" = "yes"; then
     int64_literal='#define APR_INT64_C(val) INT64_C(val)'
+    stdint=1
+else
+    stdint=0
 fi
 
 if test "$ac_cv_type_off_t" = "yes"; then









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