From b72907b97d61fec2c9c3c10e1cc7bced23fd6741 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Thu, 2 Dec 2021 18:43:29 +0000
Subject: sci-libs/gmsh: add GCC 11 patch

Seems to build fine without this for me but it's reasonable, upstream,
and seems to help others.

Closes: https://bugs.gentoo.org/800536
Signed-off-by: Sam James <sam@gentoo.org>
---
 sci-libs/gmsh/files/gmsh-4.8.4-gcc11.patch | 80 ++++++++++++++++++++++++++++++
 sci-libs/gmsh/gmsh-4.8.4.ebuild            |  4 ++
 2 files changed, 84 insertions(+)
 create mode 100644 sci-libs/gmsh/files/gmsh-4.8.4-gcc11.patch

(limited to 'sci-libs')

diff --git a/sci-libs/gmsh/files/gmsh-4.8.4-gcc11.patch b/sci-libs/gmsh/files/gmsh-4.8.4-gcc11.patch
new file mode 100644
index 000000000000..3f16ef476d7f
--- /dev/null
+++ b/sci-libs/gmsh/files/gmsh-4.8.4-gcc11.patch
@@ -0,0 +1,80 @@
+https://gitlab.onelab.info/gmsh/gmsh/-/commit/e7cd675083f72c6c01701cb0f16d1639aca121ba
+https://bugs.gentoo.org/800536
+
+From: Tristan Carel <tristan.carel@epfl.ch>
+Date: Wed, 28 Jul 2021 10:55:40 +0200
+Subject: [PATCH] Fix symbol conflict in picojson with GCC 11 internal macro
+
+Build issue on MacOS with GCC 11 from brew:
+```
+/usr/local/Cellar/gcc/11.1.0_1/lib/gcc/11/gcc/x86_64-apple-darwin20/11.1.0/include/serializeintrin.h:37: note: macro "_serialize" defined here
+   37 | #define _serialize()    __builtin_ia32_serialize ()
+      |
+```
+--- a/Common/picojson.h
++++ b/Common/picojson.h
+@@ -186,8 +186,8 @@ public:
+ private:
+   template <typename T> value(const T *); // intentionally defined to block implicit conversion of pointer to bool
+   template <typename Iter> static void _indent(Iter os, int indent);
+-  template <typename Iter> void _serialize(Iter os, int indent) const;
+-  std::string _serialize(int indent) const;
++  template <typename Iter> void serialize_(Iter os, int indent) const;
++  std::string serialize_(int indent) const;
+   void clear();
+ };
+ 
+@@ -549,11 +549,11 @@ template <typename Iter> void serialize_str(const std::string &s, Iter oi) {
+ }
+ 
+ template <typename Iter> void value::serialize(Iter oi, bool prettify) const {
+-  return _serialize(oi, prettify ? 0 : -1);
++  return serialize_(oi, prettify ? 0 : -1);
+ }
+ 
+ inline std::string value::serialize(bool prettify) const {
+-  return _serialize(prettify ? 0 : -1);
++  return serialize_(prettify ? 0 : -1);
+ }
+ 
+ template <typename Iter> void value::_indent(Iter oi, int indent) {
+@@ -563,7 +563,7 @@ template <typename Iter> void value::_indent(Iter oi, int indent) {
+   }
+ }
+ 
+-template <typename Iter> void value::_serialize(Iter oi, int indent) const {
++template <typename Iter> void value::serialize_(Iter oi, int indent) const {
+   switch (type_) {
+   case string_type:
+     serialize_str(*u_.string_, oi);
+@@ -580,7 +580,7 @@ template <typename Iter> void value::_serialize(Iter oi, int indent) const {
+       if (indent != -1) {
+         _indent(oi, indent);
+       }
+-      i->_serialize(oi, indent);
++      i->serialize_(oi, indent);
+     }
+     if (indent != -1) {
+       --indent;
+@@ -608,7 +608,7 @@ template <typename Iter> void value::_serialize(Iter oi, int indent) const {
+       if (indent != -1) {
+         *oi++ = ' ';
+       }
+-      i->second._serialize(oi, indent);
++      i->second.serialize_(oi, indent);
+     }
+     if (indent != -1) {
+       --indent;
+@@ -628,9 +628,9 @@ template <typename Iter> void value::_serialize(Iter oi, int indent) const {
+   }
+ }
+ 
+-inline std::string value::_serialize(int indent) const {
++inline std::string value::serialize_(int indent) const {
+   std::string s;
+-  _serialize(std::back_inserter(s), indent);
++  serialize_(std::back_inserter(s), indent);
+   return s;
+ }
+ 
+GitLab
diff --git a/sci-libs/gmsh/gmsh-4.8.4.ebuild b/sci-libs/gmsh/gmsh-4.8.4.ebuild
index df5ea5533a0a..0c32a563f7a1 100644
--- a/sci-libs/gmsh/gmsh-4.8.4.ebuild
+++ b/sci-libs/gmsh/gmsh-4.8.4.ebuild
@@ -40,6 +40,10 @@ DEPEND="${RDEPEND}
 
 S=${WORKDIR}/${P}-source
 
+PATCHES=(
+	"${FILESDIR}"/${P}-gcc11.patch
+)
+
 pkg_setup() {
 	fortran-2_pkg_setup
 }
-- 
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