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authorrmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d>2010-11-27 11:55:39 +0000
committerrmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d>2010-11-27 11:55:39 +0000
commit13158f86e3904284dce3dad36b64f07414459551 (patch)
tree12cc7b8d1b808c8c3505bb44cf067bd9ab98b1e6 /mcon/U/d_sysconf.U
parent194d1db97053d853d5f81c362c461d71c05ea80e (diff)
Applied mega patch from Christian Biere to greatly improve feature detection
and make a huge step towards better support for cross-compiling. git-svn-id: svn://svn.code.sf.net/p/dist/code/trunk/dist@34 2592e710-e01b-42a5-8df0-11608a6cc53d
Diffstat (limited to 'mcon/U/d_sysconf.U')
-rw-r--r--mcon/U/d_sysconf.U18
1 files changed, 15 insertions, 3 deletions
diff --git a/mcon/U/d_sysconf.U b/mcon/U/d_sysconf.U
index 13c6177..3678592 100644
--- a/mcon/U/d_sysconf.U
+++ b/mcon/U/d_sysconf.U
@@ -14,7 +14,7 @@
?RCS: Revision 3.0.1.1 1994/10/29 16:15:57 ram
?RCS: patch36: created by ADO
?RCS:
-?MAKE:d_sysconf: Inlibc
+?MAKE:d_sysconf: Trylink cat i_unistd
?MAKE: -pick add $@ %<
?S:d_sysconf:
?S: This variable conditionally defines the HAS_SYSCONF symbol, which
@@ -29,6 +29,18 @@
?H:.
?LINT:set d_sysconf
: see if sysconf exists
-set sysconf d_sysconf
-eval $inlibc
+$cat >try.c <<EOC
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+int main(void)
+{
+ static long ret;
+ ret |= sysconf(1);
+ return ret ? 0 : 1;
+}
+EOC
+set d_sysconf
+eval $trylink