# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

DOWNLOAD="https://downloads.sourceforge.net/freeglut/freeglut-${BPM_PKG_VERSION}.tar.gz"
FILENAME="${DOWNLOAD##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"

  cd "$BPM_SOURCE"
  # Fix GCC-15 error
  sed -e '/Context/s/()/(SFG_PlatformDisplay, SFG_WindowContextType)/' -i src/egl/fg_init_egl.h
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  cmake -B build -Wno-dev                \
        -DCMAKE_INSTALL_PREFIX=/usr      \
        -DCMAKE_BUILD_TYPE=Release       \
        -DFREEGLUT_BUILD_DEMOS=OFF       \
        -DFREEGLUT_BUILD_STATIC_LIBS=OFF \
        -DCMAKE_POLICY_VERSION_MINIMUM=3.5
  cmake --build build
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  DESTDIR="$BPM_OUTPUT" cmake --install build

  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/freeglut/COPYING
}