cmake: Add gcc support
This commit adds the option to cmake to build TF-M with GCC.
Change-Id: I7a5e3c915efa61620f1f0d34ed42cba5c174c562
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>
diff --git a/cmake/Compiler/GNUARM-ASM.cmake b/cmake/Compiler/GNUARM-ASM.cmake
new file mode 100644
index 0000000..b0261d9
--- /dev/null
+++ b/cmake/Compiler/GNUARM-ASM.cmake
@@ -0,0 +1,10 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+include(Compiler/GNUARM)
+set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;S;asm)
+__compiler_gnuarm(ASM)
diff --git a/cmake/Compiler/GNUARM-C.cmake b/cmake/Compiler/GNUARM-C.cmake
new file mode 100644
index 0000000..8d692d0
--- /dev/null
+++ b/cmake/Compiler/GNUARM-C.cmake
@@ -0,0 +1,9 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+include(Compiler/GNUARM)
+__compiler_gnuarm(C)
diff --git a/cmake/Compiler/GNUARM-CXX.cmake b/cmake/Compiler/GNUARM-CXX.cmake
new file mode 100644
index 0000000..93ec32f
--- /dev/null
+++ b/cmake/Compiler/GNUARM-CXX.cmake
@@ -0,0 +1,9 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+include(Compiler/GNUARM)
+__compiler_gnuarm(CXX)
diff --git a/cmake/Compiler/GNUARM.cmake b/cmake/Compiler/GNUARM.cmake
new file mode 100644
index 0000000..6305436
--- /dev/null
+++ b/cmake/Compiler/GNUARM.cmake
@@ -0,0 +1,48 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+if(_GNUARM_CMAKE_LOADED)
+ return()
+endif()
+set(_GNUARM_CMAKE_LOADED TRUE)
+
+get_filename_component(_CMAKE_C_TOOLCHAIN_LOCATION "${CMAKE_C_COMPILER}" PATH)
+get_filename_component(_CMAKE_CXX_TOOLCHAIN_LOCATION "${CMAKE_CXX_COMPILER}" PATH)
+
+set(CMAKE_EXECUTABLE_SUFFIX ".axf")
+
+find_program(CMAKE_GNUARM_LINKER arm-none-eabi-gcc HINTS "${_CMAKE_C_TOOLCHAIN_LOCATION}" "${_CMAKE_CXX_TOOLCHAIN_LOCATION}" )
+find_program(CMAKE_GNUARM_AR arm-none-eabi-ar HINTS "${_CMAKE_C_TOOLCHAIN_LOCATION}" "${_CMAKE_CXX_TOOLCHAIN_LOCATION}" )
+find_program(CMAKE_GNUARM_OBJCOPY arm-none-eabi-objcopy HINTS "${_CMAKE_C_TOOLCHAIN_LOCATION}" "${_CMAKE_CXX_TOOLCHAIN_LOCATION}" )
+
+set(CMAKE_LINKER "${CMAKE_GNUARM_LINKER}" CACHE FILEPATH "The GNUARM linker" FORCE)
+mark_as_advanced(CMAKE_GNUARM_LINKER)
+set(CMAKE_AR "${CMAKE_GNUARM_AR}" CACHE FILEPATH "The GNUARM archiver" FORCE)
+mark_as_advanced(CMAKE_GNUARM_AR)
+
+macro(__compiler_gnuarm lang)
+ if(NOT CMAKE_${lang}_FLAGS_SET)
+ set(CMAKE_${lang}_FLAGS_SET TRUE)
+ string(APPEND CMAKE_${lang}_FLAGS_INIT " ")
+ string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g -O0")
+ string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -Os -DNDEBUG")
+ string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3 -DNDEBUG")
+ string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O3 -g")
+
+ set(CMAKE_${lang}_OUTPUT_EXTENSION ".o")
+ set(CMAKE_${lang}_OUTPUT_EXTENSION_REPLACE 1)
+ set(CMAKE_STATIC_LIBRARY_PREFIX_${lang} "")
+ set(CMAKE_STATIC_LIBRARY_SUFFIX_${lang} ".a")
+
+ set(CMAKE_${lang}_LINK_EXECUTABLE "<CMAKE_LINKER> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> <LINK_LIBRARIES> -o <TARGET> -Xlinker -Map=<TARGET_BASE>.map")
+ set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "<CMAKE_AR> rsc <TARGET> <LINK_FLAGS> <OBJECTS>")
+ set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+ set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
+
+ set(CMAKE_DEPFILE_FLAGS_${lang} "--depend=<DEPFILE> --depend_single_line --no_depend_system_headers")
+ endif()
+endmacro()