[alberta] 02/02: Use clang on PowerPC.

[Ansgar Burchardt]

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ansgar pushed a commit to branch master
in repository alberta.

commit 7a05a11ea6d149dc1084e6a94c111d6eff8476f6
Author: Ansgar Burchardt <burchardt at igpm.rwth-aachen.de>
Date:   Tue May 13 14:04:27 2014 +0200

    Use clang on PowerPC.
    
    gcc cannot fold IBM's 128bit long doubles that are used on PowerPC and
    fails to compile statements like
    
      static const double a = 1.0L / 3.0L;
    
    Reference: <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374>
---
 debian/control | 3 ++-
 debian/rules   | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/debian/control b/debian/control
index e3bdb3d..9af3254 100644
--- a/debian/control
+++ b/debian/control
@@ -7,7 +7,8 @@ Uploaders: Ansgar Burchardt <ansgar at debian.org>
 Vcs-Browser: http://anonscm.debian.org/gitweb/?p=debian-science/packages/alberta.git
 Vcs-Git: git://anonscm.debian.org/debian-science/packages/alberta.git
 Homepage: http://www.alberta-fem.de/
-Build-Depends: debhelper (>= 9), dh-autoreconf, pkg-config (>= 0.28)
+Build-Depends: debhelper (>= 9), dh-autoreconf, pkg-config (>= 0.28),
+ clang [powerpc ppc64 ppc64el]
 
 Package: libalberta-dev
 Section: libdevel
diff --git a/debian/rules b/debian/rules
index 15070c7..1c9b390 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,6 +9,11 @@ CONFIGURE_FLAGS := \
 	--without-grape \
 	--without-silo
 
+DEB_HOST_ARCH := $(shell dpkg-architecture -qDEB_HOST_ARCH)
+ifneq (,$(filter powerpc ppc64 ppc64el,$(DEB_HOST_ARCH)))
+  CONFIGURE_FLAGS += CC=clang
+endif
+
 %:
 	dh $@ --parallel --with autoreconf
 

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