aboutsummaryrefslogtreecommitdiffstats
path: root/cmake/cmake.d/01-build_options.cmake
blob: abd673466af952a9d60c4f35315dfbc643262339 (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 "./conf.d/cmake/config.cmake"
#--------------------------------------------------------------------------

# (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")

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

if(NOT CMAKE_BUILD_TYPE)
	if(BUILD_TYPE)
		set(CMAKE_BUILD_TYPE ${BUILD_TYPE} CACHE STRING "the type of build" FORCE)
	else()
		set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "the type of build" FORCE)
	endif()
endif()
if(NOT DEFINED BUILD_TEST_WGT)
	set(BUILD_TEST_WGT FALSE)
endif()

set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMP0048 1)

# Default compilation options
############################################################################
link_libraries(-Wl,--as-needed -Wl,--gc-sections)
set(COMPILE_OPTIONS -Wall
 -Wextra
 -Wconversion
 -Wno-unused-parameter
 -Wno-sign-compare
 -Wno-sign-conversion
 -Werror=implicit-function-declaration
 -ffunction-sections
 -fdata-sections
 -fPIC CACHE STRING "Compilation flags")

set(COMPILE_OPTIONS_GNU -Werror=maybe-uninitialized CACHE STRING "GNU Compile specific options")
set(COMPILE_OPTIONS_CLANG -Werror=uninitialized CACHE STRING "CLang compile specific options")

# Compilation OPTIONS depending on language
#########################################
foreach(option ${COMPILE_OPTIONS})
	add_compile_options(${option})
endforeach()

if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
	foreach(option ${COMPILE_OPTIONS_GNU})
		add_compile_options(${option})
	endforeach()
elseif(${CMAKE_C_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
	foreach(option ${COMPILE_OPTIONS_CLANG})
		add_compile_options(${option})
	endforeach()
endif()

foreach(option ${C_COMPILE_OPTIONS})
	add_compile_options($<$<COMPILE_LANGUAGE:C>:${option}>)
endforeach()
foreach(option ${CXX_COMPILE_OPTIONS})
	add_compile_options($<$<COMPILE_LANGUAGE:CXX>:${option}>)
endforeach()

# Compilation option depending on CMAKE_BUILD_TYPE
##################################################
set(PROFILING_COMPILE_OPTIONS -g -O0 -pg -Wp,-U_FORTIFY_SOURCE CACHE STRING "Compilation flags for PROFILING build type.")
set(DEBUG_COMPILE_OPTIONS -g -ggdb CACHE STRING "Compilation flags for DEBUG build type.")
set(COVERAGE_COMPILE_OPTIONS -g -O0 --coverage CACHE STRING "Compilation flags for COVERAGE build type.")
set(RELEASE_COMPILE_OPTIONS -O2 -D_FORTIFY_SOURCE=2 CACHE STRING "Compilation flags for RELEASE build type.")
foreach(option ${PROFILING_COMPILE_OPTIONS})
	add_compile_options($<$<CONFIG:PROFILING>:${option}>)
endforeach()
foreach(option ${DEBUG_COMPILE_OPTIONS})
	add_compile_options($<$<CONFIG:DEBUG>:${option}>)
endforeach()
foreach(option ${COVERAGE_COMPILE_OPTIONS})
	add_compile_options($<$<CONFIG:COVERAGE>:${option}>)
endforeach()
foreach(option ${RELEASE_COMPILE_OPTIONS})
	add_compile_options($<$<CONFIG:RELEASE>:${option}>)
endforeach()

# 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 AND USE_EFENCE)
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 ${libefence_LIBRARIES})
ENDIF(HAVE_LIBEFENCE)
ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG AND USE_EFENCE)
IF(${CMAKE_BUILD_TYPE} MATCHES COVERAGE)
	list (APPEND link_libraries -coverage)
ENDIF(${CMAKE_BUILD_TYPE} MATCHES COVERAGE)

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

# Default Linkflag
set(PKG_TEMPLATE_PREFIX "\"${CMAKE_SOURCE_DIR}/${PROJECT_APP_TEMPLATES_DIR}\"" CACHE PATH "Default Package Templates Directory")
set(BARE_PKG_TEMPLATE_PREFIX "${CMAKE_SOURCE_DIR}/${PROJECT_APP_TEMPLATES_DIR}" CACHE PATH "Default Package Templates Directory")

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