mirror of
https://github.com/chocolate-doom/chocpkg.git
synced 2024-11-10 07:11:39 +00:00
66 lines
1.9 KiB
Bash
66 lines
1.9 KiB
Bash
description "Emscripten build environment"
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SDL2_PACKAGE_CONFIG="
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prefix=/
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exec_prefix=/
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libdir=/
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includedir=/
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Name: sdl2
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Description: sdl2
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Version: 2.20.0
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Requires:
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Conflicts:
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Libs: -sUSE_SDL=2 -flto -sASYNCIFY -sENVIRONMENT=web
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Cflags: -sUSE_SDL=2
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"
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do_fetch() {
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check_tool emcc
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mkdir -p "$PACKAGE_BUILD_DIR"
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echo "This is just a dummy directory" > "$PACKAGE_BUILD_DIR/README"
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}
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do_build() {
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true
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}
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make_wrapper_script() {
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local toolname emtoolname path
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toolname="$1"
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emtoolname="$2"
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path="$PACKAGE_INSTALL_DIR/bin/wasm32-unknown-emscripten-$toolname"
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mkdir -p "$PACKAGE_INSTALL_DIR/bin"
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(echo "#!/bin/bash"
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echo "export EM_CACHE=$PACKAGE_INSTALL_DIR/emscripten_cache"
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echo "export EM_FROZEN_CACHE="
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echo "exec $emtoolname \"\$@\"") > "$path"
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chmod a+rx "$path"
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}
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do_install() {
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# Emscripten has its own patched version of SDL2 that will get installed
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# automatically if -sUSE_SDL=2 is provided on the command line. By
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# installing a "fake" pkg-config file that just supplies this argument,
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# we short-circuit the build for the normal SDL package.
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mkdir -p "$PACKAGE_INSTALL_DIR/lib/pkgconfig"
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echo "$SDL2_PACKAGE_CONFIG" > "$PACKAGE_INSTALL_DIR/lib/pkgconfig/sdl2.pc"
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# TODO: Add pkg-config files for other libraries emscripten supports.
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# Emscripten is a weird beast, and wants us to use all its weird tools
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# (emconfigure, emmake, etc.). Instead of that, we define a "fake" system
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# named wasm32-unknown-emscripten and create wrapper scripts for all the
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# necessary compile tools. Then we can build like any other normal
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# cross-compile system -- mostly.
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make_wrapper_script ar emar
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make_wrapper_script gcc emcc
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make_wrapper_script g++ em++
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make_wrapper_script ld emcc
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make_wrapper_script nm emnm
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make_wrapper_script ranlib emranlib
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echo "Wrapper scripts installed."
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}
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check_tool wasm32-unknown-emscripten-gcc
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