lensfun: add cmake build patch

Signed-off-by: Rui Chen <[email protected]>

lensfun/0.3.4.patch

@@ -0,0 +1,38 @@
+diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
+index 2f6f8f1..8e4cf24 100644
+--- a/apps/CMakeLists.txt
++++ b/apps/CMakeLists.txt
+@@ -22,25 +22,23 @@ ENDIF(INSTALL_HELPER_SCRIPTS)
+ # Inspired by http://bloerg.net/2012/11/10/cmake-and-distutils.html
+
+ FIND_PROGRAM(PYTHON "python3")
+-IF(PYTHON)
++FIND_PROGRAM(PIP "pip3")
++IF(PYTHON AND PIP)
+     SET(SETUP_PY_IN "${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in")
+     SET(SETUP_PY    "${CMAKE_CURRENT_BINARY_DIR}/setup.py")
+     SET(DEPS_IN     "${CMAKE_CURRENT_SOURCE_DIR}/lensfun/__init__.py.in")
+     SET(DEPS        "${CMAKE_CURRENT_BINARY_DIR}/lensfun/__init__.py")
+-    SET(OUTPUT      "${CMAKE_CURRENT_BINARY_DIR}/build/timestamp")
+
+     CONFIGURE_FILE(${SETUP_PY_IN} ${SETUP_PY})
+     CONFIGURE_FILE(${DEPS_IN} ${DEPS})
+
+-    ADD_CUSTOM_COMMAND(OUTPUT ${OUTPUT}
+-                       COMMAND ${PYTHON} ${SETUP_PY} build
+-                       COMMAND ${CMAKE_COMMAND} -E touch ${OUTPUT}
+-                       DEPENDS ${DEPS_IN})
+-
+-    ADD_CUSTOM_TARGET(python-package ALL DEPENDS ${OUTPUT})
++    ADD_CUSTOM_TARGET(python-package ALL
++                      COMMAND ${PIP} install .
++                      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
++                      COMMENT "Installing python package using pip")
+
+     IF(NOT DEFINED SETUP_PY_INSTALL_PREFIX)
+       SET(SETUP_PY_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+     ENDIF()
+-    INSTALL(CODE "execute_process(COMMAND ${PYTHON} ${SETUP_PY} install --prefix=\$ENV{DESTDIR}${SETUP_PY_INSTALL_PREFIX})")
+-ENDIF(PYTHON)
++    INSTALL(CODE "execute_process(COMMAND ${PIP} install . --prefix=\$ENV{DESTDIR}${SETUP_PY_INSTALL_PREFIX} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})")
++ENDIF(PYTHON AND PIP)