libraries: Add curl

.gitmodules

@@ -59,3 +59,6 @@
 [submodule "libraries/libedit"]
 	path = libraries/libedit
 	url = https://salsa.debian.org/debian/libedit.git
+[submodule "libraries/curl"]
+	path = libraries/curl
+	url = https://github.com/curl/curl.git

libraries/Makefile

@@ -1,4 +1,4 @@
-PROJECTS := ffmpeg lame libpng libvpx libwebp libzip lua nv-codec-headers opus qt5 sqlite3 sdl2 x264 x265 zlib
+PROJECTS := curl ffmpeg lame libpng libvpx libwebp libzip lua nv-codec-headers opus qt5 sqlite3 sdl2 x264 x265 zlib
 ROOT ?= /
 CPPFLAGS += -I$(ROOT)/include
 LDFLAGS += -L$(ROOT)/lib
@@ -9,9 +9,11 @@ ifneq ($(HOST),)
   PROJECTS += libelf
   ifneq ($(findstring darwin,$(HOST)),)
     DARWIN := 1
+    CURL_SSL := secure-transport
   else
     PROJECTS += libepoxy openssl
     CROSS_PREFIX ?= $(HOST)-
+    CURL_SSL := openssl
   endif
   ifeq ($(findstring mingw,$(HOST)),)
     PROJECTS += libedit
@@ -33,6 +35,7 @@ ifneq ($(HOST),)
 else
   PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/lib/pkgconfig:/usr/lib/$(shell gcc -print-multiarch)/pkgconfig
   PROJECTS += libedit openssl
+  CURL_SSL := openssl
   ifneq ($(findstring x86_64,$(shell uname -m)),)
     ARCHFLAGS += -msse2 -msse3
   endif
@@ -63,7 +66,7 @@ all: $(PROJECTS)
 clean: $(foreach PROJECT, $(PROJECTS),clean-$(PROJECT))
 
 CLEAN_PROJECTS = $(foreach PROJECT, $(PROJECTS),clean-$(PROJECT))
-CUSTOM_PROJECTS = lua luajit sdl2
+CUSTOM_PROJECTS = curl lua luajit sdl2
 CUSTOM_CLEAN = clean-qt5 clean-luajit
 
 $(foreach PROJECT, $(filter-out $(CUSTOM_CLEAN),$(CLEAN_PROJECTS)),$(PROJECT)):
@@ -76,6 +79,9 @@ $(foreach PROJECT, $(PROJECTS),$(PROJECT)): INSTALL=install
 $(foreach PROJECT, $(filter-out $(CUSTOM_PROJECTS),$(PROJECTS)),$(PROJECT)):
 	cd $(BASEDIR) && $(CONFIGURE) && $(MAKE) $(TARGET) && $(MAKE) $(INSTALL)
 
+curl: $(CURL_SSL)
+	cd curl && ../buildscripts/configure-curl.sh "$(CMAKE_TOOLCHAIN_FILE)" $(ROOT) && cd build && $(MAKE) install
+
 ffmpeg: CONFIGURE=../buildscripts/configure-ffmpeg.sh "$(CROSS_PREFIX)" $(ROOT)
 ffmpeg: lame libpng libvpx libwebp nv-codec-headers opus x264 x265 zlib
 ffmpeg: clean-ffmpeg
@@ -133,4 +139,5 @@ x265: CONFIGURE=../buildscripts/configure-x265.sh "$(CMAKE_TOOLCHAIN_FILE)" $(RO
 
 zlib: CONFIGURE=./configure --static --prefix=$(ROOT)
 
-.PHONY: clean $(foreach PROJECT, $(PROJECTS),$(PROJECT)-clean) $(foreach PROJECT, $(PROJECTS),$(PROJECT))
+secure-transport:
+.PHONY: clean $(foreach PROJECT, $(PROJECTS),$(PROJECT)-clean) $(foreach PROJECT, $(PROJECTS),$(PROJECT)) secure-transport

libraries/buildscripts/configure-curl.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+if [ -z "$CMAKE_TOOLCHAIN_FILE" ]; then
+	export CMAKE_TOOLCHAIN_FILE=$1
+fi
+if [ -z "$ROOT" ]; then
+	export ROOT=$2
+fi
+
+BASEDIR=$(dirname $0)
+. $BASEDIR/identify-toolchain.sh
+OS=$(identify_os $CC)
+CMAKE_EXTRA=""
+case $OS in
+OSX*)
+	ARCH=${HOST%%-*}
+	if [ -z "$ARCH" ]; then
+		ARCH=$(arch)
+	fi
+	if [ $ARCH == aarch64 ]; then
+		ARCH=arm64
+	else
+		CMAKE_EXTRA="-DCMAKE_OSX_DEPLOYMENT_TARGET=10.13"
+	fi
+	CMAKE_EXTRA="$CMAKE_EXTRA -DCMAKE_OSX_ARCHITECTURES=$ARCH"
+	;;
+esac
+
+mkdir -p build
+cd build && cmake .. \
+	-DCMAKE_INSTALL_PREFIX="$ROOT" \
+	-DCMAKE_TOOLCHAIN_FILE="$CMAKE_TOOLCHAIN_FILE" \
+	$CMAKE_EXTRA