From a30dabe320b4175811f2c26f9ba96bc2c1ca043c Mon Sep 17 00:00:00 2001
From: jc_gargma <jc_gargma@iserlohn-fortress.net>
Date: Sun, 14 Nov 2021 13:47:56 -0800
Subject: Rebuild with CPPFLAGS patch

---
 0001-Fix-CPPFLAGS-in-test-Makefile.patch | 31 +++++++++++++++++++++++++++++++
 PKGBUILD                                 | 17 +++++++++++------
 2 files changed, 42 insertions(+), 6 deletions(-)
 create mode 100644 0001-Fix-CPPFLAGS-in-test-Makefile.patch

diff --git a/0001-Fix-CPPFLAGS-in-test-Makefile.patch b/0001-Fix-CPPFLAGS-in-test-Makefile.patch
new file mode 100644
index 0000000..22dd89b
--- /dev/null
+++ b/0001-Fix-CPPFLAGS-in-test-Makefile.patch
@@ -0,0 +1,31 @@
+From a33d2ca97d119ef657207fc27248db4c3103531f Mon Sep 17 00:00:00 2001
+From: Thibaut Sautereau <thibaut@sautereau.fr>
+Date: Tue, 2 Nov 2021 20:22:05 +0100
+Subject: [PATCH] Fix CPPFLAGS in test Makefile
+
+In particular, the _GNU_SOURCE feature test macro needs to be set in
+order to correctly define mmap(2) flags such as MAP_ANONYMOUS.
+Otherwise, compilation of some test files fails when CPPFLAGS is not
+defined in the initial user environment, as Make then does not export it
+from the root Makefile to the sub-make.
+---
+ test/simple-memory-corruption/Makefile | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/test/simple-memory-corruption/Makefile b/test/simple-memory-corruption/Makefile
+index 609677e7e670..d217b4806565 100644
+--- a/test/simple-memory-corruption/Makefile
++++ b/test/simple-memory-corruption/Makefile
+@@ -6,7 +6,8 @@ ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false))
+     $(error CONFIG_SLAB_CANARY must be true or false)
+ endif
+ 
+-CFLAGS += -DSLAB_CANARY=$(CONFIG_SLAB_CANARY)
++CPPFLAGS += -D_GNU_SOURCE \
++    -DSLAB_CANARY=$(CONFIG_SLAB_CANARY)
+ 
+ LDLIBS := -lhardened_malloc
+ 
+-- 
+2.33.1
+
diff --git a/PKGBUILD b/PKGBUILD
index a84a8e9..8d1a6b0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@
 pkgname=hardened-malloc
 _altname=hardened_malloc
 pkgver=8
-pkgrel=1
+pkgrel=2
 pkgdesc="Hardened allocator designed for modern systems"
 arch=('x86_64' 'aarch64')
 url="https://github.com/GrapheneOS/hardened_malloc"
@@ -17,11 +17,17 @@ depends=('gcc-libs')
 makedepends=('git')
 checkdepends=('python')
 provides=('libhardened_malloc.so')
-options=(!makeflags)
-source=("git+https://github.com/GrapheneOS/${_altname}#tag=$pkgver?signed")
-b2sums=('SKIP')
+source=("git+https://github.com/GrapheneOS/${_altname}#tag=$pkgver?signed"
+        '0001-Fix-CPPFLAGS-in-test-Makefile.patch')
+b2sums=('SKIP'
+        '190c3eb933da1f59155ec9bde6243d8bf2eb16ed1132ce2e4a34cc3f82a92031095da158a49b822f665a71dd6445db9e9f253297fdcc20a1ab1dea189e460ecb')
 validpgpkeys=('65EEFE022108E2B708CBFCF7F9E712E59AF5F22A') # Daniel Micay <danielmicay@gmail.com>
 
+prepare() {
+
+  patch --directory="${_altname}" --input="$srcdir/0001-Fix-CPPFLAGS-in-test-Makefile.patch" --strip=1
+}
+
 build() {
   cd "${_altname}"
 
@@ -31,8 +37,7 @@ build() {
 check() {
   cd "${_altname}"
 
-  # tests fail if CPPFLAGS is not set
-  CPPFLAGS="" make CONFIG_WERROR=false test
+  make CONFIG_WERROR=false test
 }
 
 package() {
-- 
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