diff options
| author | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2010-11-27 11:55:39 +0000 |
|---|---|---|
| committer | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2010-11-27 11:55:39 +0000 |
| commit | 13158f86e3904284dce3dad36b64f07414459551 (patch) | |
| tree | 12cc7b8d1b808c8c3505bb44cf067bd9ab98b1e6 /mcon/U/i_math.U | |
| parent | 194d1db97053d853d5f81c362c461d71c05ea80e (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/i_math.U')
| -rw-r--r-- | mcon/U/i_math.U | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/mcon/U/i_math.U b/mcon/U/i_math.U index c3cd1d5..b2c15af 100644 --- a/mcon/U/i_math.U +++ b/mcon/U/i_math.U @@ -14,7 +14,7 @@ ?RCS: Revision 3.0.1.1 1994/08/29 16:21:59 ram ?RCS: patch32: created by ADO ?RCS: -?MAKE:i_math: Inhdr +?MAKE:i_math: Inhdr Trylink cat ?MAKE: -pick add $@ %< ?X: Are there really systems that *DON'T* have math.h? ?S:i_math: @@ -32,3 +32,21 @@ set math.h i_math eval $inhdr +: see whether we need libm +$cat >try.c <<EOC +#$i_math I_MATH +#ifdef I_MATH +#include <math.h> +#endif +int main(void) +{ + static double ret; + + ret += 1.2 * pow(1.2, 1.2); + ret += 1.2 * sqrt(ret); + return 0 != ret; +} +EOC +set val '-lm' +eval $trylink + |