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# $FreeBSD$
#
# Provide support for CMake based projects
#
# MAINTAINER: kde@FreeBSD.org
#
# Feature:      cmake
# Usage:        USES=cmake or USES=cmake:ARGS
# Valid ARGS:       outsource
# ARGS description:
# outsource     perform an out-of-source build
#
#
# Additional variables that affect cmake behaviour:
#
# User defined variables:
# CMAKE_VERBOSE     - Enable verbose build output
#           Default: not set, until BATCH or PACKAGE_BUILDING is defined
# CMAKE_NOCOLOR     - Disable colour build output
#           Default: not set, until BATCH or PACKAGE_BUILDING is defined
#
# Variables for ports:
# CMAKE_ENV     - Environment passed to cmake.
#           Default: ${CONFIGURE_ENV}
# CMAKE_ARGS        - Arguments passed to cmake
#           Default: see below
# CMAKE_BUILD_TYPE  - Type of build (cmake predefined build types).
#           Projects may have their own build profiles.
#           CMake supports the following types: Debug,
#           Release, RelWithDebInfo and MinSizeRel.
#           Debug and Release profiles respect system
#           CFLAGS, RelWithDebInfo and MinSizeRel will set
#           CFLAGS to "-O2 -g" and "-Os -DNDEBUG".
#           Default: Release, if WITH_DEBUG is not set,
#           Debug otherwise
# CMAKE_SOURCE_PATH - Path to the source directory
#           Default: ${WRKSRC}
#
# Deprecated variables:
# CMAKE_OUTSOURCE   - Instruct to perform an out-of-source build.
#           Deprecated, use 'USES+= cmake:outsource' instead.

.if !defined(_INCLUDE_USES_CMAKE_MK)
_INCLUDE_USES_CMAKE_MK= yes

_valid_ARGS=        outsource run
_cmake_ARGS=        ${cmake_ARGS:C/\:/ /g}

# Sanity check
.if defined(cmake_ARGS)
.  for arg in ${_cmake_ARGS}
.    if empty(_valid_ARGS:M${arg})
IGNORE= Incorrect 'USES+= cmake:${cmake_ARGS}' usage: argument [${arg}] is not recognized
.    endif
.  endfor
.endif

CMAKE_BIN=      ${LOCALBASE}/bin/cmake
BUILD_DEPENDS+=     ${CMAKE_BIN}:${PORTSDIR}/devel/cmake

.if ${_cmake_ARGS:Mrun}
RUN_DEPENDS+=       ${CMAKE_BIN}:${PORTSDIR}/devel/cmake
.endif

.if defined(WITH_DEBUG)
CMAKE_BUILD_TYPE?=  Debug
.else
CMAKE_BUILD_TYPE?=  Release
.endif #defined(WITH_DEBUG)

PLIST_SUB+=     CMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE:L}"

.if defined(STRIP) && ${STRIP} != ""
INSTALL_TARGET?=    install/strip
.endif

CMAKE_ENV?=     ${CONFIGURE_ENV}
CMAKE_ARGS+=        -DCMAKE_C_COMPILER:STRING="${CC}" \
            -DCMAKE_CXX_COMPILER:STRING="${CXX}" \
            -DCMAKE_C_FLAGS:STRING="${CFLAGS}" \
            -DCMAKE_C_FLAGS_DEBUG:STRING="${CFLAGS}" \
            -DCMAKE_C_FLAGS_RELEASE:STRING="${CFLAGS}" \
            -DCMAKE_CXX_FLAGS:STRING="${CXXFLAGS}" \
            -DCMAKE_CXX_FLAGS_DEBUG:STRING="${CXXFLAGS}" \
            -DCMAKE_CXX_FLAGS_RELEASE:STRING="${CXXFLAGS}" \
            -DCMAKE_EXE_LINKER_FLAGS:STRING="${LDFLAGS}" \
            -DCMAKE_MODULE_LINKER_FLAGS:STRING="${LDFLAGS}" \
            -DCMAKE_SHARED_LINKER_FLAGS:STRING="${LDFLAGS}" \
            -DCMAKE_INSTALL_PREFIX:PATH="${PREFIX}" \
            -DCMAKE_BUILD_TYPE:STRING="${CMAKE_BUILD_TYPE}" \
            -DTHREADS_HAVE_PTHREAD_ARG:BOOL=YES

.if defined(BATCH) || defined(PACKAGE_BUILDING)
CMAKE_VERBOSE=      yes
CMAKE_NOCOLOR=      yes
.endif

.if defined(CMAKE_VERBOSE)
CMAKE_ARGS+=        -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
.endif
.if defined(CMAKE_NOCOLOR)
CMAKE_ARGS+=        -DCMAKE_COLOR_MAKEFILE:BOOL=OFF
.endif

_CMAKE_MSG=     "===>  Performing in-source build"
CMAKE_SOURCE_PATH?= ${WRKSRC}

.if ${_cmake_ARGS:Moutsource}
_CMAKE_MSG=     "===>  Performing out-of-source build"
CONFIGURE_WRKSRC=   ${WRKDIR}/.build
BUILD_WRKSRC=       ${CONFIGURE_WRKSRC}
INSTALL_WRKSRC=     ${CONFIGURE_WRKSRC}
.endif

.if !target(do-configure)
do-configure:
    @${ECHO_MSG} ${_CMAKE_MSG}
    ${MKDIR} ${CONFIGURE_WRKSRC}
    @cd ${CONFIGURE_WRKSRC}; ${SETENV} ${CMAKE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} ${CMAKE_SOURCE_PATH}
.endif

.endif #!defined(_INCLUDE_USES_CMAKE_MK)