From d8108a29a080279e93f63d2b3c1b2ce6a878a587 Mon Sep 17 00:00:00 2001
From: Joey Jiao <joeyjiaojg@qq.com>
Date: Tue, 16 May 2023 12:50:52 +0800
Subject: [PATCH 1/2] add COMPILE_FLAGS pass to cmake config

Ex to build with clang.

```
export LLVM_DIR=/usr/src/clang-android
export LLVM_CONFIG=$LLVM_DIR/bin/llvm-config
COMPILE_FLAGS="-DCMAKE_CXX_COMPILER=${LLVM_DIR}/bin/clang++ -DLLVM_DIR=${LLVM_DIR}" source build.sh
```
---
 build.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.sh b/build.sh
index 86f1d07fed..49d271210f 100755
--- a/build.sh
+++ b/build.sh
@@ -224,6 +224,7 @@ mkdir "${BUILD_DIR}"
 cmake -D CMAKE_BUILD_TYPE:STRING="${BUILD_TYPE}" \
     -DSVF_ENABLE_ASSERTIONS:BOOL=true            \
     -DSVF_SANITIZE="${SVF_SANITIZER}"            \
+    ${COMPILE_FLAGS} \
     -S "${SVFHOME}" -B "${BUILD_DIR}"
 cmake --build "${BUILD_DIR}" -j ${jobs}
 

From 3a2f707e0746390a0799e7792aff0c4e78c92760 Mon Sep 17 00:00:00 2001
From: Joey Jiao <joeyjiaojg@qq.com>
Date: Tue, 16 May 2023 12:37:40 +0800
Subject: [PATCH 2/2] JOBS to override default jobs

JOBS=$(nproc) bash build.sh
---
 build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index 49d271210f..c414d74059 100755
--- a/build.sh
+++ b/build.sh
@@ -6,7 +6,7 @@
 # Dependencies include: build-essential libncurses5 libncurses-dev cmake zlib1g-dev
 set -e # exit on first error
 
-jobs=4
+jobs=${JOBS:-4}
 
 #########
 # VARs and Links