Bill Hart wrote:
That doesn't surprise me. Autotools is not designed to ensure that
software builds on a variety of systems or anything outrageous like
that. :-)
I'll add it to the list of things to try and fix for the next release.
Though I don't have access to that platform either.
Attached patch (against released 2.6.0's) acinclude.m4 fixes the issue.
With that, 'make checked' passed for me on Linux (different clang 3.x
versions) and even with Apple's old clang 1.7 on MacOS X 10.6.8.
-leif
[Related thread:
http://groups.google.com/group/mpir-devel/browse_thread/thread/7888d9a026432871
]
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--- mpir-2.6.0-final/acinclude.m4.orig 2012-10-23 16:56:46.000000000 +0200
+++ mpir-2.6.0-final/acinclude.m4 2013-01-08 16:05:12.875827761 +0100
@@ -480,9 +480,9 @@
# first see a simple "main()" works, then go on to other checks
GMP_PROG_CC_WORKS_PART([$1], [])
-GMP_PROG_CC_WORKS_PART_MAIN([$1], [gcc-4.3.2 on 64bit is bad , try -O1 or -fno-strict-aliasing for the flags],
-[/* The following aborts with gcc-4.3.2 on a 64bit system which is an unusable compiler */
-#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
+GMP_PROG_CC_WORKS_PART_MAIN([$1], [gcc-4.3.2 on 64-bit is bad, try -O1 or -fno-strict-aliasing for the flags],
+[/* The following aborts with gcc-4.3.2 on a 64-bit system which is an unusable compiler */
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
int __attribute__((noinline))
foo(int i)
{
@@ -566,9 +566,9 @@
GMP_PROG_CC_WORKS_PART([$1], [long long reliability test 1],
[/* The following provokes a segfault in the compiler on powerpc-apple-darwin.
Extracted from tests/mpn/t-iord_u.c. Causes Apple's gcc 3.3 build 1640 and
- 1666 to segfault with e.g., -O2 -mpowerpc64. */
+ 1666 to segfault with, e.g., -O2 -mpowerpc64. */
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__clang__)
typedef unsigned long long t1;typedef t1*t2;
__inline__ t1 e(t2 rp,t2 up,int n,t1 v0)
{t1 c,x,r;int i;if(v0){c=1;for(i=1;i<n;i++){x=up[i];r=x+1;rp[i]=r;}}return c;}
