build_files/build_environment/cmake/bzip2.cmake


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# SPDX-License-Identifier: GPL-2.0-or-later

set(BZIP2_PREFIX "${LIBDIR}/bzip2")
set(BZIP2_CONFIGURE_ENV echo .)
set(BZIP2_CONFIGURATION_ARGS)

if(UNIX AND NOT APPLE)
  set(BZIP2_LDFLAGS "-Wl,--as-needed")
  set(BZIP2_CFLAGS "-fPIC -Wall -Winline -O2 -g -D_FILE_OFFSET_BITS=64")
  set(BZIP2_CONFIGURE_ENV ${BZIP2_CONFIGURE_ENV} && export LDFLAGS=${BZIP2_LDFLAGS} && export CFLAGS=${BZIP2_CFLAGS}
    && export PREFIX=${BZIP2_PREFIX})
else()
  set(BZIP2_CONFIGURE_ENV ${CONFIGURE_ENV})
endif()

ExternalProject_Add(external_bzip2
  URL file://${PACKAGE_DIR}/${BZIP2_FILE}
  DOWNLOAD_DIR ${DOWNLOAD_DIR}
  URL_HASH ${BZIP2_HASH_TYPE}=${BZIP2_HASH}
  PREFIX ${BUILD_DIR}/bzip2
  CONFIGURE_COMMAND echo .
  BUILD_COMMAND ${BZIP2_CONFIGURE_ENV} && cd ${BUILD_DIR}/bzip2/src/external_bzip2/ && make CFLAGS=${BZIP2_CFLAGS} LDFLAGS=${BZIP2_LDFLAGS} -j${MAKE_THREADS}
  INSTALL_COMMAND ${BZIP2_CONFIGURE_ENV} && cd ${BUILD_DIR}/bzip2/src/external_bzip2/ && make CFLAGS=${BZIP2_CFLAGS} LDFLAGS=${BZIP2_LDFLAGS} PREFIX=${BZIP2_PREFIX} install
  INSTALL_DIR ${LIBDIR}/bzip2
)