From 3ea00ebab1f5d83e2ce95789ae6fc673bf159875 Mon Sep 17 00:00:00 2001
From: Megvii Engine Team <megengine@megvii.com>
Date: Thu, 15 Apr 2021 17:15:09 +0800
Subject: [PATCH] fix(cmake): fix cmake build failed at soft link workspace

GitOrigin-RevId: 78b50a4f3a4fd0b762d39a91259f34e72997d04a
---
 .../cross_build_android_arm_inference.sh           |  2 +-
 .../cmake-build/cross_build_ios_arm_inference.sh   |  2 +-
 .../cmake-build/cross_build_linux_arm_inference.sh |  2 +-
 scripts/cmake-build/host_build.sh                  |  4 ++--
 scripts/cmake-build/utils/utils.sh                 | 14 +++++++++++++-
 5 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/scripts/cmake-build/cross_build_android_arm_inference.sh b/scripts/cmake-build/cross_build_android_arm_inference.sh
index bdd1f3975..7ae369629 100755
--- a/scripts/cmake-build/cross_build_android_arm_inference.sh
+++ b/scripts/cmake-build/cross_build_android_arm_inference.sh
@@ -111,7 +111,7 @@ function cmake_build() {
     echo "create build dir"
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     unset IFS
     cmake -G "$MAKEFILE_TYPE Makefiles" \
         -DCMAKE_TOOLCHAIN_FILE="$NDK_ROOT/build/cmake/android.toolchain.cmake" \
diff --git a/scripts/cmake-build/cross_build_ios_arm_inference.sh b/scripts/cmake-build/cross_build_ios_arm_inference.sh
index 196578cd1..290e7673c 100755
--- a/scripts/cmake-build/cross_build_ios_arm_inference.sh
+++ b/scripts/cmake-build/cross_build_ios_arm_inference.sh
@@ -108,7 +108,7 @@ function cmake_build() {
     echo "create build dir"
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     cmake -DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN \
         -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
         -DIOS_TOOLCHAIN_ROOT=$TOOLCHAIN \
diff --git a/scripts/cmake-build/cross_build_linux_arm_inference.sh b/scripts/cmake-build/cross_build_linux_arm_inference.sh
index 2ca7b360c..ec1e4390b 100755
--- a/scripts/cmake-build/cross_build_linux_arm_inference.sh
+++ b/scripts/cmake-build/cross_build_linux_arm_inference.sh
@@ -131,7 +131,7 @@ function cmake_build() {
     echo "create build dir"
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     cmake -G "$MAKEFILE_TYPE Makefiles" \
         -DCMAKE_C_FLAGS=$CMAKE_C_FLAGS \
         -DCMAKE_CXX_FLAGS=$CMAKE_CXX_FLAGS \
diff --git a/scripts/cmake-build/host_build.sh b/scripts/cmake-build/host_build.sh
index 7f7830c91..58f970d6e 100755
--- a/scripts/cmake-build/host_build.sh
+++ b/scripts/cmake-build/host_build.sh
@@ -97,7 +97,7 @@ function cmake_build() {
     echo "create build dir"
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     cmake \
         -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
         -DMGE_INFERENCE_ONLY=$MGE_INFERENCE_ONLY \
@@ -229,7 +229,7 @@ function cmake_build_windows() {
     echo "create build dir"
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     echo "now try build windows native with cmake/clang-ci/Ninja/Visual Studio ....."
     export CFLAGS=-$MGE_WINDOWS_BUILD_MARCH
     export CXXFLAGS=-$MGE_WINDOWS_BUILD_MARCH
diff --git a/scripts/cmake-build/utils/utils.sh b/scripts/cmake-build/utils/utils.sh
index 0b1fe8fed..87704c256 100755
--- a/scripts/cmake-build/utils/utils.sh
+++ b/scripts/cmake-build/utils/utils.sh
@@ -9,6 +9,18 @@ if [[ $OS =~ "NT" ]]; then
     MAKEFILE_TYPE="Unix"
 fi
 
+READLINK=readlink
+if [ $OS = "Darwin" ];then
+    READLINK=greadlink
+fi
+
+function cd_real_build_dir() {
+    REAL_DIR=$($READLINK -f $1)
+    echo "may alias dir: $1"
+    echo "cd real build dir: ${REAL_DIR}"
+    cd ${REAL_DIR}
+}
+
 function build_flatc() {
     BUILD_DIR=$1/build_dir/host_flatc/build
     INSTALL_DIR=$BUILD_DIR/../install
@@ -25,7 +37,7 @@ function build_flatc() {
     mkdir -p $BUILD_DIR
     mkdir -p $INSTALL_DIR
 
-    cd $BUILD_DIR
+    cd_real_build_dir $BUILD_DIR
     cmake -G "$MAKEFILE_TYPE Makefiles" \
         -DCMAKE_BUILD_TYPE=Release \
         -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR \
-- 
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