[PATCH] Provide pessimistic defaults for cross compilation tests.

[Ralf Wildenhues <Ralf.Wildenhues@gmx.de>]

In a cross compile setup, configure tests that run programs
cannot be executed; in that case, provide pessimistic default
values.

Bug reported by Julius Naperkowski.
---

> I can post a patch to add sane default settings for AC_RUN_IFELSE in
> cross compile setups, this weekend.

 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 363547c..4a208d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -360,6 +360,7 @@ AC_RUN_IFELSE(
 		else if (strcmp(buf, "12345"))
 		  return 2;]])],
 	[ac_cv_c_c99_format=yes],
+	[ac_cv_c_c99_format=no],
 	[ac_cv_c_c99_format=no])
 ])
 if test $ac_cv_c_c99_format = no; then
@@ -380,6 +381,7 @@ AC_RUN_IFELSE(
 		FILE *f = fopen(".", "r");
 		return f && fread(&c, 1, 1, f)]])],
 	[ac_cv_fread_reads_directories=no],
+	[ac_cv_fread_reads_directories=yes],
 	[ac_cv_fread_reads_directories=yes])
 ])
 if test $ac_cv_fread_reads_directories = yes; then
@@ -414,6 +416,7 @@ AC_RUN_IFELSE(
 		  if (snprintf(buf, 3, "%s", "12345") != 5
 		      || strcmp(buf, "12")) return 1]])],
 	[ac_cv_snprintf_returns_bogus=no],
+	[ac_cv_snprintf_returns_bogus=yes],
 	[ac_cv_snprintf_returns_bogus=yes])
 ])
 if test $ac_cv_snprintf_returns_bogus = yes; then
-- 
1.6.1.137.g3d9e8