#13948: Let MPIR build with Clang
--------------------------------------+-------------------------------------
Reporter: jpflori | Owner: leif
Type: defect | Status: new
Priority: major | Milestone: sage-5.10
Component: packages: standard | Resolution:
Keywords: spkg mpir clang | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: #13137 | Stopgaps:
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Comment (by leif):
And that's the corresponding one against ''upstream's'' `acinclude.m4`:
{{{
#!patch
--- mpir-2.6.0/acinclude.m4 2012-10-23 16:56:46.000000000 +0200
+++ mpir-2.6.0/acinclude.m4 2013-01-08 22:14:36.895834719 +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;}
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13948#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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