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Diffstat (limited to 'support/misc/toolchainfile.cmake.in')
-rw-r--r--support/misc/toolchainfile.cmake.in16
1 files changed, 12 insertions, 4 deletions
diff --git a/support/misc/toolchainfile.cmake.in b/support/misc/toolchainfile.cmake.in
index a8476d99e..8674653b6 100644
--- a/support/misc/toolchainfile.cmake.in
+++ b/support/misc/toolchainfile.cmake.in
@@ -31,9 +31,17 @@ set(CMAKE_CXX_FLAGS_RELEASE " -DNEBUG" CACHE STRING "Release CXXFLAGS")
# Build type from the Buildroot configuration
set(CMAKE_BUILD_TYPE @@CMAKE_BUILD_TYPE@@ CACHE STRING "Buildroot build configuration")
-set(CMAKE_C_FLAGS "@@TARGET_CFLAGS@@ ${CMAKE_C_FLAGS}" CACHE STRING "Buildroot CFLAGS")
-set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@ ${CMAKE_CXX_FLAGS}" CACHE STRING "Buildroot CXXFLAGS")
-set(CMAKE_EXE_LINKER_FLAGS "@@TARGET_LDFLAGS@@ ${CMAKE_EXE_LINKER_FLAGS}" CACHE STRING "Buildroot LDFLAGS")
+# Buildroot defaults flags.
+# If you are using this toolchainfile.cmake file outside of Buildroot and
+# want to customize the compiler/linker flags, then:
+# * set them all on the cmake command line, e.g.:
+# cmake -DCMAKE_C_FLAGS="@@TARGET_CFLAGS@@ -Dsome_custom_flag" ...
+# * and make sure the project's CMake code extendsthem like this if needed:
+# set(CMAKE_C_FLAGS "${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")
+
set(CMAKE_INSTALL_SO_NO_EXE 0)
set(CMAKE_PROGRAM_PATH "${RELOCATED_HOST_DIR}/usr/bin")
@@ -51,6 +59,6 @@ set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
if(@@TOOLCHAIN_HAS_FORTRAN@@)
set(CMAKE_Fortran_FLAGS_DEBUG "" CACHE STRING "Debug CFLAGS")
set(CMAKE_Fortran_FLAGS_RELEASE " -DNEBUG" CACHE STRING "Release CFLAGS")
- set(CMAKE_Fortran_FLAGS "@@TARGET_FCFLAGS@@ ${CMAKE_Fortran_FLAGS}" CACHE STRING "Buildroot FCFLAGS")
+ set(CMAKE_Fortran_FLAGS "@@TARGET_FCFLAGS@@" CACHE STRING "Buildroot FCFLAGS")
set(CMAKE_Fortran_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_FC@@")
endif()