aboutsummaryrefslogtreecommitdiffstats
path: root/cmake/common.cmake
blob: 4aa757847904cf697df62caf17dc9e328c7d1337 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
###########################################################################
# Copyright 2015, 2016, 2017 IoT.bzh
#
# author: Fulup Ar Foll <fulup@iot.bzh>
# contrib: Romain Forlot <romain.forlot@iot.bzh>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
###########################################################################


#--------------------------------------------------------------------------
#  WARNING:
#     Do not change this cmake template
#     Customise your preferences in "./etc/config.cmake"
#--------------------------------------------------------------------------

include(${PROJECT_APP_TEMPLATES_DIR}/cmake/macros.cmake)
include(${PROJECT_APP_TEMPLATES_DIR}/cmake/variables.cmake)
include(${PROJECT_APP_TEMPLATES_DIR}/cmake/extra_targets.cmake)

# Check GCC minimal version
if (gcc_minimal_version)
		message (STATUS "${Cyan}-- Check gcc_minimal_version (found gcc version ${CMAKE_C_COMPILER_VERSION}) \
		(found g++ version ${CMAKE_CXX_COMPILER_VERSION})${ColourReset}")
	if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version} OR CMAKE_C_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version})
		message(FATAL_ERROR "${Red}**** FATAL: Require at least gcc-${gcc_minimal_version} please set CMAKE_C[XX]_COMPILER")
	endif()
endif(gcc_minimal_version)

# Check Kernel minimal version
if (kernel_minimal_version)
	if(DEFINED ENV{SDKTARGETSYSROOT})
		file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
	else()
		file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
	endif()

	string(REGEX MATCH "[0-9]+" LINUX_VERSION_CODE ${LINUX_VERSION_CODE_LINE})
	math(EXPR a "${LINUX_VERSION_CODE} >> 16")
	math(EXPR b "(${LINUX_VERSION_CODE} >> 8) & 255")
	math(EXPR c "(${LINUX_VERSION_CODE} & 255)")

	set(KERNEL_VERSION "${a}.${b}.${c}")
	message (STATUS "${Cyan}-- Check kernel_minimal_version (found kernel version ${KERNEL_VERSION})${ColourReset}")

	if (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version})
		message(FATAL_ERROR "${Red}**** FATAL: Require at least ${kernel_minimal_version} please use a recent kernel or source your SDK environment then clean and reconfigure your CMake project.")
	endif (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version})
endif(kernel_minimal_version)

INCLUDE(FindPkgConfig)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckLibraryExists)
INCLUDE(GNUInstallDirs)

# Default compilation options
############################################################################
link_libraries(-Wl,--as-needed -Wl,--gc-sections)
add_compile_options(-Wall -Wextra -Wconversion)
add_compile_options(-Wno-unused-parameter) # frankly not using a parameter does it care?
add_compile_options(-Wno-sign-compare -Wno-sign-conversion)
add_compile_options(-Werror=maybe-uninitialized)
add_compile_options(-Werror=implicit-function-declaration)
add_compile_options(-ffunction-sections -fdata-sections)
add_compile_options(-fPIC)
add_compile_options(-g)

set(CMAKE_C_FLAGS_PROFILING   "-g -O2 -pg -Wp,-U_FORTIFY_SOURCE" CACHE STRING "Flags for profiling")
set(CMAKE_C_FLAGS_DEBUG       "-g -O2 -ggdb -Wp,-U_FORTIFY_SOURCE" CACHE STRING "Flags for debugging")
set(CMAKE_C_FLAGS_RELEASE     "-O2" CACHE STRING "Flags for releasing")
set(CMAKE_C_FLAGS_CCOV        "-g -O2 --coverage" CACHE STRING "Flags for coverage test")

set(CMAKE_CXX_FLAGS_PROFILING    "-g -O0 -pg -Wp,-U_FORTIFY_SOURCE")
set(CMAKE_CXX_FLAGS_DEBUG        "-g -O0 -ggdb -Wp,-U_FORTIFY_SOURCE")
set(CMAKE_CXX_FLAGS_RELEASE      "-g -O2")
set(CMAKE_CXX_FLAGS_CCOV "-g -O2 --coverage")

# Env variable overload default
if(DEFINED ENV{INSTALL_PREFIX})
	set (INSTALL_PREFIX $ENV{INSTALL_PREFIX})
else()
	set(INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/Install" CACHE PATH "The path where to install")
endif()
set(CMAKE_INSTALL_PREFIX ${INSTALL_PREFIX} CACHE STRING "Installation Prefix")

# (BUG!!!) as PKG_CONFIG_PATH does not work [should be en env variable]
set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH ON CACHE BOOLEAN "Flag for using prefix path")

# Loop on required package and add options
foreach (PKG_CONFIG ${PKG_REQUIRED_LIST})
	string(REGEX REPLACE "[<>]?=.*$" "" XPREFIX ${PKG_CONFIG})
	PKG_CHECK_MODULES(${XPREFIX} REQUIRED ${PKG_CONFIG})

	INCLUDE_DIRECTORIES(${${XPREFIX}_INCLUDE_DIRS})
	list (APPEND link_libraries ${${XPREFIX}_LDFLAGS})
	add_compile_options (${${XPREFIX}_CFLAGS})
endforeach(PKG_CONFIG)

# Optional LibEfence Malloc debug library
IF(CMAKE_BUILD_TYPE MATCHES DEBUG)
CHECK_LIBRARY_EXISTS(efence malloc "" HAVE_LIBEFENCE)
IF(HAVE_LIBEFENCE)
	MESSAGE(STATUS "Linking with ElectricFence for debugging purposes...")
	SET(libefence_LIBRARIES "-lefence")
	list (APPEND link_libraries ${libefence_LIBRARIES})
ENDIF(HAVE_LIBEFENCE)
ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG)

# set default include directories
INCLUDE_DIRECTORIES(${EXTRA_INCLUDE_DIRS})

# Default Linkflag
if(NOT BINDINGS_LINK_FLAG)
	set(BINDINGS_LINK_FLAG "-Wl,--version-script=${PKG_TEMPLATE_PREFIX}/cmake/export.map")
endif()

macro(project_build)
	set (ARGSLIST ${ARGN})
	list(LENGTH ARGSLIST ARGSNUM)
	if(${ARGSNUM} GREATER 0)
		set(pattern "${ARGV0}")
	else()
		set(pattern "*")
	endif()

	project_subdirs_add(${pattern})
	project_targets_populate()
	project_package_build()
	project_closing_msg()
endmacro(project_build)