Allow specifying cmake build directory in the build scripts

Summary: Closes https://github.com/caffe2/caffe2/pull/1496

Reviewed By: pietern

Differential Revision: D6379743

Pulled By: bddppq

fbshipit-source-id: 1cb2238e5708547767729de3ac1d3e1a76ed5ba1

scripts/build_android.sh

@@ -34,7 +34,7 @@ else
     exit 1
 fi
 # We are going to build the target into build_android.
-BUILD_ROOT=$CAFFE2_ROOT/build_android
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build_android"}
 mkdir -p $BUILD_ROOT
 echo "Build Caffe2 Android into: $BUILD_ROOT"
 
@@ -46,7 +46,7 @@ $CAFFE2_ROOT/scripts/build_host_protoc.sh || exit 1
 echo "Building caffe2"
 cd $BUILD_ROOT
 
-cmake .. \
+cmake "$CAFFE2_ROOT" \
     -DCMAKE_TOOLCHAIN_FILE=../third_party/android-cmake/android.toolchain.cmake \
     -DCMAKE_INSTALL_PREFIX=../install \
     -DANDROID_NDK=$ANDROID_NDK \

scripts/build_host_protoc.sh

@@ -14,7 +14,7 @@
 set -e
 
 CAFFE2_ROOT="$( cd "$(dirname -- "$0")"/.. ; pwd -P)"
-BUILD_ROOT=$CAFFE2_ROOT/build_host_protoc
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build_host_protoc"}
 mkdir -p $BUILD_ROOT/build
 cd $BUILD_ROOT/build
 

scripts/build_ios.sh

@@ -17,7 +17,7 @@ BITCODE_FLAGS="-DCMAKE_C_FLAGS=-fembed-bitcode -DCMAKE_CXX_FLAGS=-fembed-bitcode
 $CAFFE2_ROOT/scripts/build_host_protoc.sh --other-flags $BITCODE_FLAGS
 
 # Now, actually build the iOS target.
-BUILD_ROOT=$CAFFE2_ROOT/build_ios
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build_ios"}
 mkdir -p $BUILD_ROOT
 cd $BUILD_ROOT
 
@@ -71,7 +71,7 @@ fi
 CMAKE_ARGS+=("-DCMAKE_C_FLAGS=-fembed-bitcode")
 CMAKE_ARGS+=("-DCMAKE_CXX_FLAGS=-fembed-bitcode")
 
-cmake .. \
+cmake "$CAFFE2_ROOT" \
     -DCMAKE_INSTALL_PREFIX=../install \
     -DCMAKE_BUILD_TYPE=Release \
     -DBUILD_SHARED_LIBS=OFF \

scripts/build_local.sh

@@ -21,7 +21,7 @@ if [ -n "${USE_HOST_PROTOC:-}" ]; then
 fi
 
 # We are going to build the target into build.
-BUILD_ROOT="$CAFFE2_ROOT/build"
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build"}
 mkdir -p "$BUILD_ROOT"
 cd "$BUILD_ROOT"
 echo "Building Caffe2 in: $BUILD_ROOT"
@@ -36,7 +36,7 @@ if [ "$(uname)" == 'Darwin' ]; then
 fi
 
 # Now, actually build the target.
-cmake .. \
+cmake "$CAFFE2_ROOT" \
       "${CMAKE_ARGS[@]}" \
       "$@"
 

scripts/build_raspbian.sh

@@ -9,7 +9,7 @@
 
 CAFFE2_ROOT="$( cd "$(dirname -- "$0")"/.. ; pwd -P)"
 echo "Caffe2 codebase root is: $CAFFE2_ROOT"
-BUILD_ROOT=$CAFFE2_ROOT/build
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build"}
 mkdir -p $BUILD_ROOT
 echo "Build Caffe2 raspbian into: $BUILD_ROOT"
 
@@ -34,7 +34,7 @@ cd $BUILD_ROOT
 
 # Note: you can add more dependencies above if you need libraries such as
 # leveldb, lmdb, etc.
-cmake .. \
+cmake "$CAFFE2_ROOT" \
     -DCMAKE_VERBOSE_MAKEFILE=1 \
     -DCAFFE2_CPU_FLAGS="-mfpu=neon -mfloat-abi=hard" \
     || exit 1

scripts/build_tegra_x1.sh

@@ -13,7 +13,7 @@
 
 CAFFE2_ROOT="$( cd "$(dirname -- "$0")"/.. ; pwd -P)"
 echo "Caffe2 codebase root is: $CAFFE2_ROOT"
-BUILD_ROOT=$CAFFE2_ROOT/build
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build"}
 mkdir -p $BUILD_ROOT
 echo "Build Caffe2 raspbian into: $BUILD_ROOT"
 
@@ -52,7 +52,7 @@ cd $BUILD_ROOT
 # CUDA_USE_STATIC_CUDA_RUNTIME needs to be set to off so that opencv can be
 # properly used. Otherwise, opencv will complain that opencv_dep_cudart cannot
 # be found.
-cmake .. -DCUDA_USE_STATIC_CUDA_RUNTIME=OFF \
+cmake "$CAFFE2_ROOT" -DCUDA_USE_STATIC_CUDA_RUNTIME=OFF \
     || exit 1
 
 make -j 4 || exit 1

scripts/build_tizen.sh

@@ -15,7 +15,7 @@ setup_environment(){
 
 CAFFE2_ROOT="$( cd "$(dirname -- "$0")"/.. ; pwd -P)"
 echo "Caffe2 codebase root is: $CAFFE2_ROOT"
-BUILD_ROOT=$CAFFE2_ROOT/build
+BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build"}
 mkdir -p $BUILD_ROOT
 echo "Build Caffe2 Tizen into: $BUILD_ROOT"
 }
@@ -109,7 +109,7 @@ cd $BUILD_ROOT
 # Note: add more dependencies above if you need libraries such as leveldb, lmdb, etc.
 # If you have to disable a specific package due to a package absence
 # from https://git.tizen.org/cgit/, append -Dxxx_xxx=OFF option before executing cmake.
-cmake .. \
+cmake "$CAFFE2_ROOT" \
     -DCMAKE_VERBOSE_MAKEFILE=1 \
     -DUSE_CUDA=OFF \
     -DUSE_OPENCV=OFF \