From 1c09802fd645ef2bca0d048aaeb51faa1de38392 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Sat, 24 Apr 2021 16:26:30 -0400
Subject: dev-util/binaryen: new package

---
 dev-util/binaryen/Manifest                         |  1 +
 dev-util/binaryen/binaryen-101.ebuild              | 35 +++++++++++
 .../binaryen-undo-compile-flag-braindamage.patch   | 68 ++++++++++++++++++++++
 3 files changed, 104 insertions(+)
 create mode 100644 dev-util/binaryen/Manifest
 create mode 100644 dev-util/binaryen/binaryen-101.ebuild
 create mode 100644 dev-util/binaryen/files/binaryen-undo-compile-flag-braindamage.patch

diff --git a/dev-util/binaryen/Manifest b/dev-util/binaryen/Manifest
new file mode 100644
index 0000000..b845750
--- /dev/null
+++ b/dev-util/binaryen/Manifest
@@ -0,0 +1 @@
+DIST binaryen-101.tar.gz 3760918 BLAKE2B 4407e8d9418f8d3186fb60c037bb519cd5ee0b56c879caa3e2a5c3122825487d22513a92029dac23b0fa507226ecadf6d3d81927732aad3163d38f18664c1929 SHA512 819105fda25e3ee51d8a858f73aabe018e6af584eb2afd5b7fe06ce165e39487d5ee6da23eec2c62d8dd1d87002b00ff8bd63e28bef388ac0fed72dfe7ae88f8
diff --git a/dev-util/binaryen/binaryen-101.ebuild b/dev-util/binaryen/binaryen-101.ebuild
new file mode 100644
index 0000000..e03a08d
--- /dev/null
+++ b/dev-util/binaryen/binaryen-101.ebuild
@@ -0,0 +1,35 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="Compiler and toolchain infrastructure library for WebAssembly"
+HOMEPAGE="https://github.com/WebAssembly/binaryen"
+SRC_URI="https://github.com/WebAssembly/binaryen/archive/version_${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="test"
+
+# broken
+RESTRICT="test"
+
+S="${WORKDIR}/binaryen-version_${PV}"
+
+PATCHES=(${FILESDIR}/binaryen-undo-compile-flag-braindamage.patch)
+
+src_configure() {
+	local mycmakeargs=(
+		-DENABLE_WERROR=no
+		-DBUILD_LLVM_DWARF=no
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	cd "${BUILD_DIR}" || die
+	${S}/check.py || die
+}
diff --git a/dev-util/binaryen/files/binaryen-undo-compile-flag-braindamage.patch b/dev-util/binaryen/files/binaryen-undo-compile-flag-braindamage.patch
new file mode 100644
index 0000000..93a7b9a
--- /dev/null
+++ b/dev-util/binaryen/files/binaryen-undo-compile-flag-braindamage.patch
@@ -0,0 +1,68 @@
+diff -ru a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2021-04-16 14:09:26.000000000 -0400
++++ b/CMakeLists.txt	2021-04-24 09:48:11.792348791 -0400
+@@ -137,17 +137,6 @@
+   set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY${SUFFIX} "${PROJECT_BINARY_DIR}/lib")
+ endforeach()
+ 
+-option(BYN_ENABLE_LTO "Build with LTO" Off)
+-if(BYN_ENABLE_LTO)
+-  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+-    message(FATAL_ERROR "ThinLTO is only supported by clang")
+-  endif()
+-  if(NOT APPLE)
+-    add_link_flag("-fuse-ld=lld")
+-  endif()
+-  add_compile_flag("-flto=thin")
+-endif()
+-
+ if(MSVC)
+   if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.0") # VS2013 and older explicitly need /arch:sse2 set, VS2015 no longer has that option, but always enabled.
+     add_compile_flag("/arch:sse2")
+@@ -212,15 +201,6 @@
+   set(CMAKE_THREAD_PREFER_PTHREAD ON)
+   find_package(Threads REQUIRED)
+   add_cxx_flag("-std=c++${CXX_STANDARD}")
+-  if(NOT EMSCRIPTEN)
+-    if(CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
+-      # wasm doesn't allow for x87 floating point math
+-      add_compile_flag("-msse2")
+-      add_compile_flag("-mfpmath=sse")
+-    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^armv[2-6]" AND NOT CMAKE_CXX_FLAGS MATCHES "-mfpu=")
+-      add_compile_flag("-mfpu=vfpv3")
+-    endif()
+-  endif()
+   add_compile_flag("-Wall")
+   if(ENABLE_WERROR)
+     add_compile_flag("-Werror")
+@@ -244,14 +224,6 @@
+   elseif(NOT EMSCRIPTEN)
+     add_compile_flag("-fPIC")
+   endif()
+-  add_debug_compile_flag("-O0")
+-  add_debug_compile_flag("-g3")
+-  if(EMSCRIPTEN)
+-    # really focus on minimizing output size when compiling sources
+-    add_nondebug_compile_flag("-Oz")
+-  else()
+-    add_nondebug_compile_flag("-O2")
+-  endif()
+   if(BYN_ENABLE_ASSERTIONS)
+     # On non-Debug builds cmake automatically defines NDEBUG, so we
+     # explicitly undefine it:
+@@ -273,15 +245,6 @@
+   add_nondebug_compile_flag("-flto")
+ endif()
+ 
+-# clang doesn't print colored diagnostics when invoked from Ninja
+-if(UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
+-  if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+-    add_compile_flag("-fdiagnostics-color=always")
+-  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+-    add_compile_flag("-fcolor-diagnostics")
+-  endif()
+-endif()
+-
+ # Static libraries
+ # Current (partial) dependency structure is as follows:
+ # passes -> wasm -> asmjs -> support
-- 
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