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buildroot/package/pkg-cmake.mk
Samuel Martin a471150a7b package/pkg-cmake.mk: move CMAKE_BUILD_TYPE definition into toolchainfile.cmake 
The chosen CMAKE_BUILD_TYPE encodes an option of the Buildroot
configuration, so it makes more sense to save it in the
toolchainfile.cmake than to pass it during configure.

It is still possible to override the build type on the cmake
command line.

Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[Thomas: reword description in the CHANGES file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-10-22 16:15:32 +02:00

252 lines
8.6 KiB
Makefile
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################################################################################
# CMake package infrastructure
#
# This file implements an infrastructure that eases development of
# package .mk files for CMake packages. It should be used for all
# packages that use CMake as their build system.
#
# See the Buildroot documentation for details on the usage of this
# infrastructure
#
# In terms of implementation, this CMake infrastructure requires
# the .mk file to only specify metadata information about the
# package: name, version, download URL, etc.
#
# We still allow the package .mk file to override what the different
# steps are doing, if needed. For example, if <PKG>_BUILD_CMDS is
# already defined, it is used as the list of commands to perform to
# build the package, instead of the default CMake behaviour. The
# package can also define some post operation hooks.
#
################################################################################
# Set compiler variables.
ifeq ($(BR2_CCACHE),y)
CMAKE_HOST_C_COMPILER = $(HOST_DIR)/usr/bin/ccache
CMAKE_HOST_CXX_COMPILER = $(HOST_DIR)/usr/bin/ccache
CMAKE_HOST_C_COMPILER_ARG1 = $(HOSTCC_NOCCACHE)
CMAKE_HOST_CXX_COMPILER_ARG1 = $(HOSTCXX_NOCCACHE)
else
CMAKE_HOST_C_COMPILER = $(HOSTCC)
CMAKE_HOST_CXX_COMPILER = $(HOSTCXX)
endif
ifneq ($(QUIET),)
CMAKE_QUIET = -DCMAKE_RULE_MESSAGES=OFF -DCMAKE_INSTALL_MESSAGE=NEVER
endif
################################################################################
# inner-cmake-package -- defines how the configuration, compilation and
# installation of a CMake package should be done, implements a few hooks to
# tune the build process and calls the generic package infrastructure to
# generate the necessary make targets
#
# argument 1 is the lowercase package name
# argument 2 is the uppercase package name, including a HOST_ prefix
# for host packages
# argument 3 is the uppercase package name, without the HOST_ prefix
# for host packages
# argument 4 is the type (target or host)
################################################################################
define inner-cmake-package
$(2)_CONF_ENV ?=
$(2)_CONF_OPTS ?=
$(2)_MAKE ?= $$(MAKE)
$(2)_MAKE_ENV ?=
$(2)_MAKE_OPTS ?=
$(2)_INSTALL_OPTS ?= install
$(2)_INSTALL_STAGING_OPTS ?= DESTDIR=$$(STAGING_DIR) install/fast
$(2)_INSTALL_TARGET_OPTS ?= DESTDIR=$$(TARGET_DIR) install/fast
$(2)_SRCDIR = $$($(2)_DIR)/$$($(2)_SUBDIR)
$(3)_SUPPORTS_IN_SOURCE_BUILD ?= YES
ifeq ($$($(3)_SUPPORTS_IN_SOURCE_BUILD),YES)
$(2)_BUILDDIR = $$($(2)_SRCDIR)
else
$(2)_BUILDDIR = $$($(2)_SRCDIR)/buildroot-build
endif
#
# Configure step. Only define it if not already defined by the package
# .mk file. And take care of the differences between host and target
# packages.
#
ifndef $(2)_CONFIGURE_CMDS
ifeq ($(4),target)
# Configure package for target
define $(2)_CONFIGURE_CMDS
(mkdir -p $$($$(PKG)_BUILDDIR) && \
cd $$($$(PKG)_BUILDDIR) && \
rm -f CMakeCache.txt && \
PATH=$$(BR_PATH) \
$$($$(PKG)_CONF_ENV) $$(BR2_CMAKE) $$($$(PKG)_SRCDIR) \
-DCMAKE_TOOLCHAIN_FILE="$$(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake" \
-DCMAKE_INSTALL_PREFIX="/usr" \
-DCMAKE_COLOR_MAKEFILE=OFF \
-DBUILD_DOC=OFF \
-DBUILD_DOCS=OFF \
-DBUILD_EXAMPLE=OFF \
-DBUILD_EXAMPLES=OFF \
-DBUILD_TEST=OFF \
-DBUILD_TESTS=OFF \
-DBUILD_TESTING=OFF \
-DBUILD_SHARED_LIBS=$$(if $$(BR2_STATIC_LIBS),OFF,ON) \
$$(CMAKE_QUIET) \
$$($$(PKG)_CONF_OPTS) \
)
endef
else
# Configure package for host
define $(2)_CONFIGURE_CMDS
(mkdir -p $$($$(PKG)_BUILDDIR) && \
cd $$($$(PKG)_BUILDDIR) && \
rm -f CMakeCache.txt && \
PATH=$$(BR_PATH) \
$$(BR2_CMAKE) $$($$(PKG)_SRCDIR) \
-DCMAKE_INSTALL_SO_NO_EXE=0 \
-DCMAKE_FIND_ROOT_PATH="$$(HOST_DIR)" \
-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="BOTH" \
-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY="BOTH" \
-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" \
-DCMAKE_INSTALL_PREFIX="$$(HOST_DIR)/usr" \
-DCMAKE_C_FLAGS="$$(HOST_CFLAGS)" \
-DCMAKE_CXX_FLAGS="$$(HOST_CXXFLAGS)" \
-DCMAKE_EXE_LINKER_FLAGS="$$(HOST_LDFLAGS)" \
-DCMAKE_ASM_COMPILER="$$(HOSTAS)" \
-DCMAKE_C_COMPILER="$$(CMAKE_HOST_C_COMPILER)" \
-DCMAKE_CXX_COMPILER="$$(CMAKE_HOST_CXX_COMPILER)" \
$(if $$(CMAKE_HOST_C_COMPILER_ARG1),\
-DCMAKE_C_COMPILER_ARG1="$$(CMAKE_HOST_C_COMPILER_ARG1)" \
-DCMAKE_CXX_COMPILER_ARG1="$$(CMAKE_HOST_CXX_COMPILER_ARG1)" \
) \
-DCMAKE_COLOR_MAKEFILE=OFF \
-DBUILD_DOC=OFF \
-DBUILD_DOCS=OFF \
-DBUILD_EXAMPLE=OFF \
-DBUILD_EXAMPLES=OFF \
-DBUILD_TEST=OFF \
-DBUILD_TESTS=OFF \
-DBUILD_TESTING=OFF \
$$(CMAKE_QUIET) \
$$($$(PKG)_CONF_OPTS) \
)
endef
endif
endif
# Since some CMake modules (even upstream ones) use pgk_check_modules
# primitives to find {C,LD}FLAGS, add it to the dependency list.
$(2)_DEPENDENCIES += host-pkgconf
$(2)_DEPENDENCIES += $(BR2_CMAKE_HOST_DEPENDENCY)
#
# Build step. Only define it if not already defined by the package .mk
# file.
#
ifndef $(2)_BUILD_CMDS
ifeq ($(4),target)
define $(2)_BUILD_CMDS
$$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) -C $$($$(PKG)_BUILDDIR)
endef
else
define $(2)_BUILD_CMDS
$$(HOST_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) -C $$($$(PKG)_BUILDDIR)
endef
endif
endif
#
# Host installation step. Only define it if not already defined by the
# package .mk file.
#
ifndef $(2)_INSTALL_CMDS
define $(2)_INSTALL_CMDS
$$(HOST_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_OPTS) -C $$($$(PKG)_BUILDDIR)
endef
endif
#
# Staging installation step. Only define it if not already defined by
# the package .mk file.
#
ifndef $(2)_INSTALL_STAGING_CMDS
define $(2)_INSTALL_STAGING_CMDS
$$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_STAGING_OPTS) -C $$($$(PKG)_BUILDDIR)
endef
endif
#
# Target installation step. Only define it if not already defined by
# the package .mk file.
#
ifndef $(2)_INSTALL_TARGET_CMDS
define $(2)_INSTALL_TARGET_CMDS
$$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_TARGET_OPTS) -C $$($$(PKG)_BUILDDIR)
endef
endif
# Call the generic package infrastructure to generate the necessary
# make targets
$(call inner-generic-package,$(1),$(2),$(3),$(4))
endef
################################################################################
# cmake-package -- the target generator macro for CMake packages
################################################################################
cmake-package = $(call inner-cmake-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
host-cmake-package = $(call inner-cmake-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
################################################################################
# Generation of the CMake toolchain file
################################################################################
# CMAKE_SYSTEM_PROCESSOR should match uname -m
ifeq ($(BR2_ARM_CPU_ARMV4),y)
CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv4
else ifeq ($(BR2_ARM_CPU_ARMV5),y)
CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv5
else ifeq ($(BR2_ARM_CPU_ARMV6),y)
CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv6
else ifeq ($(BR2_ARM_CPU_ARMV7A),y)
CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv7
endif
ifeq ($(BR2_arm),y)
CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)l
else ifeq ($(BR2_armeb),y)
CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)b
else
CMAKE_SYSTEM_PROCESSOR = $(BR2_ARCH)
endif
# In order to allow the toolchain to be relocated, we calculate the HOST_DIR
# based on the toolchainfile.cmake file's location: $(HOST_DIR)/usr/share/buildroot
# In all the other variables, HOST_DIR will be replaced by RELOCATED_HOST_DIR,
# so we have to strip "$(HOST_DIR)/" from the paths that contain it.
$(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake:
@mkdir -p $(@D)
sed \
-e 's#@@STAGING_SUBDIR@@#$(call qstrip,$(STAGING_SUBDIR))#' \
-e 's#@@TARGET_CFLAGS@@#$(call qstrip,$(TARGET_CFLAGS))#' \
-e 's#@@TARGET_CXXFLAGS@@#$(call qstrip,$(TARGET_CXXFLAGS))#' \
-e 's#@@TARGET_FCFLAGS@@#$(call qstrip,$(TARGET_FCFLAGS))#' \
-e 's#@@TARGET_LDFLAGS@@#$(call qstrip,$(TARGET_LDFLAGS))#' \
-e 's#@@TARGET_CC@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_CC)))#' \
-e 's#@@TARGET_CXX@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_CXX)))#' \
-e 's#@@TARGET_FC@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_FC)))#' \
-e 's#@@CMAKE_SYSTEM_PROCESSOR@@#$(call qstrip,$(CMAKE_SYSTEM_PROCESSOR))#' \
-e 's#@@TOOLCHAIN_HAS_FORTRAN@@#$(if $(BR2_TOOLCHAIN_HAS_FORTRAN),1,0)#' \
-e 's#@@CMAKE_BUILD_TYPE@@#$(if $(BR2_ENABLE_DEBUG),Debug,Release)#' \
$(TOPDIR)/support/misc/toolchainfile.cmake.in \
> $@
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