From cd8798e269c2bf11a8b41843185b2c4d8ca9dddd Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 6 Jul 2018 14:16:14 +0000
Subject: core/autoconf: added i486 specific patches

---
 core/autoconf/PKGBUILD                              | 18 ++++++++++++++++++
 .../autoconf-2.69-go-test-351-OpenFile.patch        | 21 +++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 core/autoconf/autoconf-2.69-go-test-351-OpenFile.patch

diff --git a/core/autoconf/PKGBUILD b/core/autoconf/PKGBUILD
index 1957adf9..320aba12 100644
--- a/core/autoconf/PKGBUILD
+++ b/core/autoconf/PKGBUILD
@@ -6,3 +6,21 @@ if [ "${pkgname}-${pkgver}-${pkgrel}" = autoconf-2.69-4 ]; then
       '
   )"
 fi
+
+# i486-specific
+if [ "${CARCH}" = "i486" ]; then
+  # testing the go macros requires a running go actually
+  checkdepends+=('gcc-go')
+
+  # autoconf: 351 Go: https://lists.gnu.org/archive/html/bug-autoconf/2013-01/msg00000.html,
+  # see FS#57870 (closed upstream)
+  source+=('autoconf-2.69-go-test-351-OpenFile.patch')
+  md5sums+=('a7e1e05d4372b2ef5fae29b59e677e7d')
+  eval "$(
+    declare -f prepare | \
+      sed '
+        /patch -p1.*libtool/ a \
+        patch -Np1 -i "${srcdir}/autoconf-2.69-go-test-351-OpenFile.patch"
+      '
+  )"
+fi
diff --git a/core/autoconf/autoconf-2.69-go-test-351-OpenFile.patch b/core/autoconf/autoconf-2.69-go-test-351-OpenFile.patch
new file mode 100644
index 00000000..b69f423d
--- /dev/null
+++ b/core/autoconf/autoconf-2.69-go-test-351-OpenFile.patch
@@ -0,0 +1,21 @@
+diff -rauN autoconf-2.69/lib/autoconf/go.m4 autoconf-2.69-go-test-351-OpenFile-patch/lib/autoconf/go.m4
+--- autoconf-2.69/lib/autoconf/go.m4	2012-01-21 14:46:39.000000000 +0100
++++ autoconf-2.69-go-test-351-OpenFile-patch/lib/autoconf/go.m4	2018-03-16 16:46:23.323273368 +0100
+@@ -61,7 +61,7 @@
+ # Produce source that performs I/O.
+ m4_define([_AC_LANG_IO_PROGRAM(Go)],
+ [AC_LANG_PROGRAM([import ( "fmt"; "os" )],
+-[f, err := os.Open("conftest.out", os.O_CREATE|os.O_WRONLY, 0777)
++[f, err := os.OpenFile("conftest.out", os.O_CREATE|os.O_WRONLY, 0777)
+  if err != nil {
+ 	fmt.Println(err)
+ 	os.Exit(1)
+@@ -107,7 +107,7 @@
+ 	"os"
+ )
+ ],
+-[f, err := os.Open("conftest.val", os.O_CREATE|os.O_WRONLY, 0777)
++[f, err := os.OpenFile("conftest.val", os.O_CREATE|os.O_WRONLY, 0777)
+  if err != nil {
+ 	os.Exit(1)
+  }
-- 
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