From f7af87e6ef03625e7ed3f06d0377476fe72fa5b6 Mon Sep 17 00:00:00 2001
From: rhaas <rhaas@9e23cc15-e5c8-4d65-9080-beda90ea645b>
Date: Tue, 28 Apr 2015 20:55:21 +0000
Subject: use stdarg.h rather than vararg.h

git-svn-id: http://svn.cactuscode.org/projects/ExternalLibraries/GSL/trunk@69 9e23cc15-e5c8-4d65-9080-beda90ea645b
---
 dist/patchtest.patch |  5 +++++
 dist/stdarg.patch    | 13 +++++++++++++
 src/build.sh         | 16 ++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 dist/patchtest.patch
 create mode 100644 dist/stdarg.patch

diff --git a/dist/patchtest.patch b/dist/patchtest.patch
new file mode 100644
index 0000000..2ec828b
--- /dev/null
+++ b/dist/patchtest.patch
@@ -0,0 +1,5 @@
+diff --new-file -ru Lorene.orig/.patch_tmp Lorene/.patch_tmp
+--- Lorene.orig/.patch_tmp	1969-12-31 18:00:00.000000000 -0600
++++ Lorene/.patch_tmp	2010-06-24 19:43:15.000000000 -0500
+@@ -0,0 +1 @@
++ 
diff --git a/dist/stdarg.patch b/dist/stdarg.patch
new file mode 100644
index 0000000..f64eeca
--- /dev/null
+++ b/dist/stdarg.patch
@@ -0,0 +1,13 @@
+diff -ru gsl-1.16-orig/test/results.c gsl-1.16/test/results.c
+--- gsl-1.16-orig/test/results.c	2013-07-17 13:04:26.000000000 -0700
++++ gsl-1.16/test/results.c	2015-04-28 13:24:11.901318472 -0700
+@@ -29,7 +29,7 @@
+ #ifdef STDC_HEADERS
+ #include <stdarg.h>
+ #else
+-#include <varargs.h>
++#include <stdarg.h>
+ #endif
+ #endif
+ 
+Only in gsl-1.16/test: results.c~
diff --git a/src/build.sh b/src/build.sh
index 442cc16..26b4dd8 100755
--- a/src/build.sh
+++ b/src/build.sh
@@ -43,6 +43,22 @@ mkdir ${BUILD_DIR} ${INSTALL_DIR}
 echo "GSL: Unpacking archive..."
 pushd ${BUILD_DIR}
 ${TAR?} xzf ${SRCDIR}/../dist/${NAME}.tar.gz
+pushd ${NAME}
+${PATCH?} -p1 < ${SRCDIR}/../dist/stdarg.patch
+# Some (ancient but still used) versions of patch don't support the
+# patch format used here but also don't report an error using the exit
+# code. So we use this patch to test for this
+${PATCH?} -p1 < ${SRCDIR}/../dist/patchtest.patch
+if [ ! -e .patch_tmp ]; then
+    echo 'BEGIN ERROR'
+    echo 'The version of patch is too old to understand this patch format.'
+    echo 'Please set the PATCH environment variable to a more recent '
+    echo 'version of the patch command.'
+    echo 'END ERROR'
+    exit 1
+fi
+rm -f .patch_tmp
+popd
 
 echo "GSL: Configuring..."
 cd ${NAME}
-- 
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