new package: libobjc2

packages/libobjc2/build.sh

@@ -0,0 +1,24 @@
+TERMUX_PKG_HOMEPAGE=http://www.gnustep.org/
+TERMUX_PKG_DESCRIPTION="The GNUstep Objective-C runtime"
+TERMUX_PKG_LICENSE="MIT"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=2.1
+_ROBIN_MAP_COMMIT=757de829927489bee55ab02147484850c687b620
+TERMUX_PKG_SRCURL=(https://github.com/gnustep/libobjc2/archive/v${TERMUX_PKG_VERSION}.tar.gz
+                   https://github.com/Tessil/robin-map/archive/${_ROBIN_MAP_COMMIT:0:7}.tar.gz)
+TERMUX_PKG_SHA256=(78fc3711db14bf863040ae98f7bdca08f41623ebeaf7efaea7dd49a38b5f054c
+                   0abd2a272947d1d403ce7467e75aae5bdcfe839f4fc8d513ba5bfe170d5f2057)
+TERMUX_PKG_DEPENDS="libc++"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-DGNUSTEP_CONFIG=OFF
+-DTESTS=OFF
+"
+
+termux_step_post_get_source() {
+	mv robin-map-${_ROBIN_MAP_COMMIT}/* third_party/robin-map/
+}
+
+termux_step_pre_configure() {
+	sed -i -e 's|@CMAKE_CXX_COMPILER@|'$CXX'|g' \
+		"$TERMUX_PKG_SRCDIR"/CMakeLists.txt
+}

packages/libobjc2/libobjc2-2.1-eh_trampoline.patch

@@ -0,0 +1,27 @@
+From 4e07fb8457266b76311b2bf3dc5dbe8db790c0b5 Mon Sep 17 00:00:00 2001
+From: David Chisnall <github@theravensnest.org>
+Date: Wed, 26 Aug 2020 16:37:06 +0100
+Subject: [PATCH] Don't use CXXFLAGS when compiling eh_trampoline.cc
+
+The way that we were doing this didn't handle multiple flags and we
+actually don't want the user to override these flags because that file
+needs to be compiled in a very specific way.
+
+Fixes #177
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e2746e9..80b7dfe 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -317,7 +317,7 @@ if (ENABLE_OBJCXX)
+ 			endif()
+ 		endif ()
+ 		add_custom_command(OUTPUT eh_trampoline.s
+-			COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_FLAGS} -fPIC -S "${CMAKE_SOURCE_DIR}/eh_trampoline.cc" -o - -fexceptions -fno-inline | sed "s/__gxx_personality_v0/test_eh_personality/g" > "${CMAKE_BINARY_DIR}/eh_trampoline.s"
++			COMMAND @CMAKE_CXX_COMPILER@ -fPIC -S "${CMAKE_SOURCE_DIR}/eh_trampoline.cc" -o - -fexceptions -fno-inline | sed "s/__gxx_personality_v0/test_eh_personality/g" > "${CMAKE_BINARY_DIR}/eh_trampoline.s"
+ 			MAIN_DEPENDENCY eh_trampoline.cc)
+ 		list(APPEND libobjc_ASM_SRCS eh_trampoline.s)
+ 		list(APPEND libobjc_CXX_SRCS objcxx_eh.cc)