Merge pull request #1605 from colrdavidson/linux_build

Make llvm-config build more general for linux

3 files changed, 146 insertions, 6 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8c26c7a00..2bd3ca9ad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,9 +7,9 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Download LLVM, botan
-        run: sudo apt-get install llvm-11 clang-11 llvm libbotan-2-dev botan
+        run: sudo apt-get install llvm-11 clang-11 libbotan-2-dev botan
       - name: build odin
-        run: make release
+        run: ./build_odin.sh release
       - name: Odin version
         run: ./odin version
         timeout-minutes: 1
@@ -58,7 +58,7 @@ jobs:
           TMP_PATH=$(xcrun --show-sdk-path)/user/include
           echo "CPATH=$TMP_PATH" >> $GITHUB_ENV
       - name: build odin
-        run: make release
+        run: ./build_odin.sh release
       - name: Odin version
         run: ./odin version
         timeout-minutes: 1
diff --git a/Makefile b/Makefile
index b8bf26a88..bea0569a9 100644
--- a/Makefile
+++ b/Makefile
@@ -30,10 +30,10 @@ ifeq ($(OS), Darwin)
     ifeq ($(shell $(LLVM_CONFIG) --version | grep -E $(LLVM_VERSION_PATTERN)),)
         ifeq ($(ARCH), arm64)
             $(error "Requirement: llvm-config must be base version 13 for arm64")
-        else 
+        else
             $(error "Requirement: llvm-config must be base version greater than 11 for amd64/x86")
-        endif 
-    endif 
+        endif
+    endif
 
     LDFLAGS:=$(LDFLAGS) -liconv -ldl
     CFLAGS:=$(CFLAGS) $(shell $(LLVM_CONFIG) --cxxflags --ldflags)
diff --git a/build_odin.sh b/build_odin.sh
new file mode 100755
index 000000000..a323782a1
--- /dev/null
+++ b/build_odin.sh
@@ -0,0 +1,140 @@
+#!/bin/bash
+set -eu
+
+GIT_SHA=$(git rev-parse --short HEAD)
+DISABLED_WARNINGS="-Wno-switch -Wno-macro-redefined -Wno-unused-value"
+LDFLAGS="-pthread -lm -lstdc++"
+CFLAGS="-std=c++14 -DGIT_SHA=\"$GIT_SHA\""
+CFLAGS="$CFLAGS -DODIN_VERSION_RAW=\"dev-$(date +"%Y-%m")\""
+CC=clang
+OS=$(uname)
+
+panic() {
+	printf "%s\n" "$1"
+	exit 1
+}
+
+version() { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }
+
+config_darwin() {
+	ARCH=$(uname -m)
+	LLVM_CONFIG=llvm-config
+
+	# allow for arm only llvm's with version 13
+	if [ ARCH == arm64 ]; then
+		MIN_LLVM_VERSION=("13.0.0")
+	else
+		# allow for x86 / amd64 all llvm versions begining from 11
+		MIN_LLVM_VERSION=("11.1.0")
+	fi
+
+	if [ $(version $($LLVM_CONFIG --version)) -lt $(version $MIN_LLVM_VERSION) ]; then
+		if [ ARCH == arm64 ]; then
+			panic "Requirement: llvm-config must be base version 13 for arm64"
+		else
+			panic "Requirement: llvm-config must be base version greater than 11 for amd64/x86"
+		fi
+	fi
+
+	LDFLAGS="$LDFLAGS -liconv -ldl"
+	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	LDFLAGS="$LDFLAGS -lLLVM-C"
+}
+
+config_openbsd() {
+	LLVM_CONFIG=/usr/local/bin/llvm-config
+
+	LDFLAGS="$LDFLAGS -liconv"
+	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	LDFLAGS="$LDFLAGS $($LLVM_CONFIG --libs core native --system-libs)"
+}
+
+config_linux() {
+	if which llvm-config > /dev/null 2>&1; then
+		LLVM_CONFIG=llvm-config
+	elif which llvm-config-11 > /dev/null 2>&1; then
+		LLVM_CONFIG=llvm-config-11
+	elif which llvm-config-11-64 > /dev/null 2>&1; then
+		LLVM_CONFIG=llvm-config-11-64
+	else
+		panic "Unable to find LLVM-config"
+	fi
+
+	MIN_LLVM_VERSION=("11.0.0")
+	if [ $(version $($LLVM_CONFIG --version)) -lt $(version $MIN_LLVM_VERSION) ]; then
+		echo "Tried to use " $(which $LLVM_CONFIG) "version" $($LLVM_CONFIG --version)
+		panic "Requirement: llvm-config must be base version greater than 11"
+	fi
+
+	LDFLAGS="$LDFLAGS -ldl"
+	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	LDFLAGS="$LDFLAGS $($LLVM_CONFIG --libs core native --system-libs)"
+}
+
+build_odin() {
+	case $1 in
+	debug)
+		EXTRAFLAGS="-g"
+		;;
+	release)
+		EXTRAFLAGS="-O3"
+		;;
+	release-native)
+		EXTRAFLAGS="-O3 -march=native"
+		;;
+	nightly)
+		EXTRAFLAGS="-DNIGHTLY -O3"
+		;;
+	*)
+		panic "Build mode unsupported!"
+	esac
+
+	set -x
+	$CC src/main.cpp src/libtommath.cpp $DISABLED_WARNINGS $CFLAGS $EXTRAFLAGS $LDFLAGS -o odin
+	set +x
+}
+
+run_demo() {
+	./odin run examples/demo/demo.odin
+}
+
+case $OS in
+Linux)
+	config_linux
+	;;
+Darwin)
+	config_darwin
+	;;
+OpenBSD)
+	config_openbsd
+	;;
+*)
+	panic "Platform unsupported!"
+esac
+
+if [[ $# -eq 0 ]]; then
+	build_odin debug
+	run_demo
+	exit 0
+fi
+
+if [[ $# -eq 1 ]]; then
+	case $1 in
+	report)
+		if [[ ! -f "./odin" ]]; then
+			build_odin debug
+		fi
+
+		./odin report
+		exit 0
+		;;
+	*)
+		build_odin $1
+		;;
+	esac
+
+	run_demo
+	exit 0
+else
+	panic "Too many arguments!"
+fi