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kumquat-buildroot/support/misc/toolchainfile.cmake.in

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pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
#
# Automatically generated file; DO NOT EDIT.
# CMake toolchain file for Buildroot
#
pkg-cmake.mk: do not hardcode absolute path in toolchainfile.cmake The patch allows sharing or moving the toolchains. This is a step toward making the toolchain/sdk relocatable. Closes #6818 [Peter: reword comment as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Uwe Strempel <u.strempel@googlemail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:24 +02:00
# In order to allow the toolchain to be relocated, we calculate the
# HOST_DIR based on this file's location: $(HOST_DIR)/usr/share/buildroot
# and store it in RELOCATED_HOST_DIR.
# All the other variables that need to refer to HOST_DIR will use the
# RELOCATED_HOST_DIR variable.
string(REPLACE "/usr/share/buildroot" "" RELOCATED_HOST_DIR ${CMAKE_CURRENT_LIST_DIR})
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
set(CMAKE_SYSTEM_NAME Linux)
pkg-cmake.mk: Set CMAKE_SYSTEM_PROCESSOR. This is rarely needed by packages, but convenient to have when it is. [Thomas: - don't define ARM_VARIANT as this name is too global, use CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT instead. - don't use ifndef, but a more traditional else clause, for the non-ARM cases.] Signed-off-by: Volker Krause <volker.krause@kdab.com> Reviewed-by: Bernd Kuhls <bernd.kuhls@t-online.de> Reviewed-by: Romain Naour <romain.naour@openwide.fr> Acked-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2014-11-17 21:02:41 +01:00
set(CMAKE_SYSTEM_PROCESSOR @@CMAKE_SYSTEM_PROCESSOR@@)
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
toolchainfile.cmake: set per-config appended {C, CXX}FLAGS When a build type is set, CMake does append some flags that can override those set by Buildroot due to the gcc option parser (in which the last argument controling an option wins). Hereafter is a summary of the optimization and debug flags set by Buildroot and appended by CMake. * Flags set by Buildroot depending on the configuration: BR2_ENABLE_DEBUG | Optim. level | Buildroot {C,CXX}FLAGS =================+=====================+======================= y | BR2_OPTIMIZE_S | -Os -gx y | BR2_OPTIMIZE_G | -Og -gx y | BR2_OPTIMIZE_{0..3} | -On -gx n | BR2_OPTIMIZE_S | -Os n | BR2_OPTIMIZE_G | -Og n | BR2_OPTIMIZE_{0..3} | -On * Default flags appended by CMake depending on the build type: Build type | Flags | Effects on {C,CXX}FLAGS ===============+=================+=========================================== Debug | -g | Force -g, compatible with BR2_ENABLE_DEBUG MinSizeRel | -Os -DNDEBUG | Set -Os, compatible with BR2_OPTIMIZE_S Release | -O3 -DNDEBUG | Set -O3, closest to the others cases, | | though the optimization level is forced. RelWithDebInfo | -O2 -g -DNDEBUG | Force -g and set -O2, not friendly with BR To avoid the CMake flags take precedence over the Buildroot ones, this change sets in toolchainfile.cmake the per-config compiler flags CMake can append depending on the build type Buildroot defined. So, CMake does not mess up with the compilation flags Buildroot sets. It is still possible to override these per-config flags on the cmake command line. Note: If a CMake-based project forces the compiler and/or linker flag definitions (the default ones or the per-config ones - e.g. CMAKE_C_FLAGS/CMAKE_C_FLAGS_{DEBUG,RELEASE}), there is not much Buildroot can do about it. So, the flags will be overwritten anyway in these cases. 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: - adjust comment in toolchainfile.cmake.in, as suggested by Arnout. - also handle CMAKE_Fortran_FLAGS_*, as suggested by Arnout.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-10-16 13:12:39 +02:00
# Set the {C,CXX}FLAGS appended by CMake depending on the build type
# defined by Buildroot. CMake defaults these variables with -g and/or
# -O options, and they are appended at the end of the argument list,
# so the Buildroot options are overridden. Therefore these variables
# have to be cleared, so that the options passed in CMAKE_C_FLAGS do
# apply.
#
# Note:
# if the project forces some of these flag variables, Buildroot is
# screwed up and there is nothing Buildroot can do about that :(
set(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "Debug CFLAGS")
set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Debug CXXFLAGS")
set(CMAKE_C_FLAGS_RELEASE " -DNEBUG" CACHE STRING "Release CFLAGS")
set(CMAKE_CXX_FLAGS_RELEASE " -DNEBUG" CACHE STRING "Release CXXFLAGS")
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>
2016-10-16 13:12:38 +02:00
# Build type from the Buildroot configuration
set(CMAKE_BUILD_TYPE @@CMAKE_BUILD_TYPE@@ CACHE STRING "Buildroot build configuration")
toochainfile.cmake: rework the way Buildroot sets flags From the build configuration, Buildroot defines and set some compiler and linker flags that should be passed to any packages build-system. For package using the cmake-package infrastructure, this is achieved via the toolchainfile.cmake. This change simplifies the way the toolchainfile.cmake file handles these flags: it now just sets them, without any attempt to extend them with those Buildroot defined. This change still allows overriding these flags from the configure command line. So, now, when a CMake-based package needs to extend them, they should be fully set from the package *.mk file. This behavior is consistent with what is done for others package infrastructures. This change should not pull any regression WRT the bug #7280 [1]. However, now, when someone uses the toolchainfile.cmake file outside of Buildroot, he/she must overload all compiler/linker flags (including the ones Buildroot sets since they no longer get automatically added). [1] https://bugs.busybox.net/show_bug.cgi?id=7280 Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Samuel Martin <s.martin49@gmail.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-10-16 13:12:45 +02:00
# Buildroot defaults flags.
# If you are using this toolchainfile.cmake file outside of Buildroot and
# want to customize the compiler/linker flags, then:
# * set them all on the cmake command line, e.g.:
# cmake -DCMAKE_C_FLAGS="@@TARGET_CFLAGS@@ -Dsome_custom_flag" ...
# * and make sure the project's CMake code extendsthem like this if needed:
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dsome_definitions")
set(CMAKE_C_FLAGS "@@TARGET_CFLAGS@@" CACHE STRING "Buildroot CFLAGS")
set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@" CACHE STRING "Buildroot CXXFLAGS")
set(CMAKE_EXE_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for executables")
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
set(CMAKE_INSTALL_SO_NO_EXE 0)
pkg-cmake.mk: do not hardcode absolute path in toolchainfile.cmake The patch allows sharing or moving the toolchains. This is a step toward making the toolchain/sdk relocatable. Closes #6818 [Peter: reword comment as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Uwe Strempel <u.strempel@googlemail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:24 +02:00
set(CMAKE_PROGRAM_PATH "${RELOCATED_HOST_DIR}/usr/bin")
pkg-cmake.mk: set CMAKE_SYSROOT variable in toolchainfile.cmake This change enforces the CMAKE_SYSROOT value set in the toolchainfile.cmake. This fix overrides the CMake heuristics used to guess it, and turns off some non-desirable behavior adding "-isystem ..." flags to the compiler command line, misleading the compiler and making the build failed due to some unfound standard headers. Fixes: http://autobuild.buildroot.net/results/f7e/f7e92678e91a6cb15ccf32d4a7d75b39f49d6000/defconfig (and others) Cc: Ben Boeckel <mathstuf@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-08-17 23:19:36 +02:00
set(CMAKE_SYSROOT "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
pkg-cmake.mk: do not hardcode absolute path in toolchainfile.cmake The patch allows sharing or moving the toolchains. This is a step toward making the toolchain/sdk relocatable. Closes #6818 [Peter: reword comment as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Uwe Strempel <u.strempel@googlemail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:24 +02:00
set(CMAKE_FIND_ROOT_PATH "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
toolchainfile.cmake: only search the sysroot for CMake module This change prevents CMake from searching outside the sysroot location for CMake modules when cross-compiling. Signed-off-by: Samuel Martin <s.martin49@gmail.com> Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-03-08 10:47:22 +01:00
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
pkg-cmake.mk: do not hardcode absolute path in toolchainfile.cmake The patch allows sharing or moving the toolchains. This is a step toward making the toolchain/sdk relocatable. Closes #6818 [Peter: reword comment as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Uwe Strempel <u.strempel@googlemail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:24 +02:00
set(ENV{PKG_CONFIG_SYSROOT_DIR} "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
pkg-cmake.mk: refactor the toolchainfile.cmake generation This patch introduces a toolchainfile.cmake.in template which is filled by Buildroot. Using a toolchainfile.cmake.in template file allows to avoid overloading quoting and/or escaping and it becomes much more similar to the resulting file. This patch also cleans up the quoting style. [Peter: drop stdin redirect as suggested by Thomas] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:23 +02:00
pkg-cmake.mk: enable ccache for cmake packages This patch updates the generated toolchainfile.cmake to use ccache. When toolchainfile.cmake is used inside Buildroot, using ccache during the build is driven by a CMake knob: USE_CCACHE, automatically set by the cmake-package infrastructure and reflecting the BR2_CCACHE value. Since this toolchainefile.cmake file can be used outside Buildroot, and this file also set a couple of things (among these: the sysroot cflag, some pkg-config environment variables), it is important to set the compiler variables as well to keep the consistency of the cross-compilation configuration. So, when it is used outside Buildroot, using ccache for the build is driven by the ccache program availability. Note that using ccache for the build is achieved by setting the *_ARG1 CMake variables to let CMake use ccache without failing in detecting the compiler. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Luca Ceresoli <luca@lucaceresoli.net> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-06-01 11:24:25 +02:00
# This toolchain file can be used both inside and outside Buildroot.
package-cmake: remove now-redundant target ccache support All the complexity with the different ways that CMAKE_C_COMPILER and CMAKE_C_COMPILER_ARG1 can be set are no longer needed, it's all handled by the toolchain wrapper now. Note that it is still necessary to handle this for the host build. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Reviewed-by: Romain Naour <romain.naour@openwide.fr> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2015-10-04 14:28:53 +02:00
set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC@@")
set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
pkg-cmake.mk: export the fortran compiler path in the CMake toolchain file Since the fortran support is conditional, only enable it when needed. Signed-off-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Cc: Benjamin Kamath <bkamath@spaceflight.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-03 15:47:43 +02:00
if(@@TOOLCHAIN_HAS_FORTRAN@@)
toolchainfile.cmake: fix description of CMAKE_Fortran_FLAGS_{DEBUG,RELEASE} Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-10-22 16:44:06 +02:00
set(CMAKE_Fortran_FLAGS_DEBUG "" CACHE STRING "Debug Fortran FLAGS")
set(CMAKE_Fortran_FLAGS_RELEASE " -DNEBUG" CACHE STRING "Release Fortran FLAGS")
toochainfile.cmake: rework the way Buildroot sets flags From the build configuration, Buildroot defines and set some compiler and linker flags that should be passed to any packages build-system. For package using the cmake-package infrastructure, this is achieved via the toolchainfile.cmake. This change simplifies the way the toolchainfile.cmake file handles these flags: it now just sets them, without any attempt to extend them with those Buildroot defined. This change still allows overriding these flags from the configure command line. So, now, when a CMake-based package needs to extend them, they should be fully set from the package *.mk file. This behavior is consistent with what is done for others package infrastructures. This change should not pull any regression WRT the bug #7280 [1]. However, now, when someone uses the toolchainfile.cmake file outside of Buildroot, he/she must overload all compiler/linker flags (including the ones Buildroot sets since they no longer get automatically added). [1] https://bugs.busybox.net/show_bug.cgi?id=7280 Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Samuel Martin <s.martin49@gmail.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-10-16 13:12:45 +02:00
set(CMAKE_Fortran_FLAGS "@@TARGET_FCFLAGS@@" CACHE STRING "Buildroot FCFLAGS")
pkg-cmake.mk: export the fortran compiler path in the CMake toolchain file Since the fortran support is conditional, only enable it when needed. Signed-off-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Cc: Benjamin Kamath <bkamath@spaceflight.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-03 15:47:43 +02:00
set(CMAKE_Fortran_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_FC@@")
endif()
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