Reduce the wheel size by disabling GUI and Qt

package/build-wheels-linux.sh

@@ -13,8 +13,6 @@ yum -y install wget
 
 ls -ltrh /io/
 
-yum -y install qt5-qtbase-devel
-
 # we cannot simply use `pip` or `python`, since points to old 2.7 version
 PYBIN="/opt/python/$PYTHON_VERSION/bin"
 PYVER_NUM=$($PYBIN/python -c "import sys;print(sys.version.split(\" \")[0])")
@@ -72,10 +70,7 @@ yum install \
     libgoogle-glog-dev \
     libgflags-dev \
     libglew-dev \
-    qtbase5-dev \
-    libqt5opengl5-dev \
     libcgal-dev
-yum install libcgal-qt5-dev
 
 
 # Note: `yum install gflags` will not work, since the version is too old (2.1)
@@ -137,10 +132,7 @@ yum install libsuitesparse-dev
 yum install libgoogle-glog-dev
 yum install libgflags-dev
 yum install libglew-dev
-yum install qtbase5-dev
-yum install libqt5opengl5-dev
 yum install libcgal-dev
-yum install libcgal-qt5-dev
 
 yum -y install freeimage
 
@@ -162,9 +154,10 @@ cd colmap
 git checkout dev
 mkdir build/
 cd build/
-cmake .. -DCMAKE_BUILD_TYPE=Release \
+CXXFLAGS="-fPIC" CFLAGS="-fPIC" cmake .. -DCMAKE_BUILD_TYPE=Release \
          -DBoost_USE_STATIC_LIBS=ON \
          -DBOOST_ROOT=/usr/local \
+         -DGUI_ENABLED=OFF \
          -DEIGEN3_INCLUDE_DIRS=$EIGEN_DIR
 
 if [ $ec -ne 0 ]; then

package/build-wheels-macos.sh

@@ -25,17 +25,14 @@ brew update
 brew upgrade
 brew install wget python cmake || true
 # TODO: try without brew install of boost, but use version below
-brew install git cmake boost eigen freeimage glog gflags suite-sparse ceres-solver glew cgal qt5
+brew install git cmake boost eigen freeimage glog gflags suite-sparse ceres-solver glew cgal
 
 brew install llvm libomp
 
 brew info gcc
 brew upgrade gcc
 brew info gcc
 
-echo 'export PATH="/usr/local/opt/qt@5/bin:$PATH"' >> /Users/runner/.bash_profile
-export Qt5_CMAKE_DIR="/usr/local/opt/qt@5/lib/cmake/Qt5"
-
 CURRDIR=$(pwd)
 ls -ltrh $CURRDIR
 
@@ -61,8 +58,6 @@ declare -a PYTHON_VERS=( $1 )
 
 git clone https://github.com/colmap/colmap.git
 
-sed -i -e 's/Qt5 5.4/Qt5 5.15.2/g' colmap/CMakeLists.txt
-
 for compiler in cc c++ gcc g++ clang clang++
 do
     which $compiler
@@ -89,7 +84,7 @@ cd colmap
 git checkout dev
 mkdir build
 cd build
-cmake .. -DQt5_DIR=$Qt5_CMAKE_DIR
+cmake .. -DGUI_ENABLED=OFF
 
 # examine exit code of last command
 ec=$?
@@ -109,7 +104,7 @@ cd $CURRDIR
 cat setup.py
 # flags must be passed, to avoid the issue: `Unsupported compiler -- pybind11 requires C++11 support!`
 # see https://github.com/quantumlib/qsim/issues/242 for more details
-Qt5_DIR="$Qt5_CMAKE_DIR" CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ LDFLAGS=-L/usr/local/opt/libomp/lib "${PYBIN}/python3" setup.py bdist_wheel
+CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ LDFLAGS=-L/usr/local/opt/libomp/lib "${PYBIN}/python3" setup.py bdist_wheel
 cp ./dist/*.whl $CURRDIR/wheelhouse_unrepaired
 
 # Bundle external shared libraries into the wheels