summaryrefslogtreecommitdiffstats
path: root/CMakeLists.txt
blob: 90ecf5cd433df9bd2c4722ab823ad20b4e04d983 (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
141
142
143
144
145
146
147
148
149
150
151
152
153
###########################################################################
# Copyright 2015, 2016, 2017 IoT.bzh
#
# author: Fulup Ar Foll <fulup@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"
#--------------------------------------------------------------------------


# Generic useful macro
# -----------------------
macro(PROJECT_TARGET_ADD TARGET_NAME)
    set(PROJECT_TARGETS ${PROJECT_TARGETS} ${TARGET_NAME}  CACHE INTERNAL PROJECT_TARGETS)
endmacro(PROJECT_TARGET_ADD)

macro(defstr name value)
    add_definitions(-D${name}=${value})
endmacro(defstr)

macro(setc name value)
    if(NOT DEFINED ${name})
	set(${name} ${value})
    endif(NOT DEFINED ${name})
endmacro(setc)

CMAKE_MINIMUM_REQUIRED(VERSION 3.3)
setc(CMAKE_BUILD_TYPE Debug)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMP0048 1)


# Compiler selection should append before project definition
# -----------------------------------------------------------
foreach (GCC_VERSION "6" "5")
    execute_process(COMMAND gcc-${GCC_VERSION} -dumpversion RESULT_VARIABLE GCCRC OUTPUT_QUIET ERROR_QUIET)
    if(GCCRC EQUAL 0)
        set(CMAKE_C_COMPILER "gcc-${GCC_VERSION}")
        set(CMAKE_CXX_COMPILER "g++-${GCC_VERSION}")
        set(CMAKE_C_VERSION ${GCC_VERSION})
        break()
    endif(GCCRC EQUAL 0)
endforeach(GCC_VERSION)

# Include project configuration
# ------------------------------
include(${CMAKE_CURRENT_SOURCE_DIR}/etc/config.cmake)
project(${NAME} VERSION ${VERSION})
setc (PROJECT_PRETTY_NAME ${PRETTY_NAME})
setc (PROJECT_DESCRIPTION ${DESCRIPTION})
message(STATUS "")
message(STATUS "Project=${PROJECT_NAME}/${VERSION}[${PRETTY_NAME} ${DESCRIPTION}]")
message(STATUS "")
message(STATUS "gcc/g++ version-${CMAKE_C_VERSION}.x selected")

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)

setc(CMAKE_C_FLAGS_PROFILING   "-g -O2 -pg -Wp,-U_FORTIFY_SOURCE")
setc(CMAKE_C_FLAGS_DEBUG       "-g -O2 -ggdb -Wp,-U_FORTIFY_SOURCE")
setc(CMAKE_C_FLAGS_RELEASE     "-O2")
setc(CMAKE_C_FLAGS_CCOV        "-g -O2 --coverage")
setc(CMAKE_INSTALL_PREFIX      "${CMAKE_SOURCE_DIR}/Install")

# (BUG!!!) as PKG_CONFIG_PATH does not work [should be en env variable]
setc(PKG_CONFIG_USE_CMAKE_PREFIX_PATH 1)

# Loop on required package and add options
foreach (PKG_CONFIG ${PKG_REQUIRED_LIST})
    PKG_CHECK_MODULES(${PKG_CONFIG} REQUIRED ${PKG_CONFIG})

    INCLUDE_DIRECTORIES(${${PKG_CONFIG}_INCLUDE_DIRS})
    list (APPEND link_libraries ${${PKG_CONFIG}_LIBRARIES})
    add_compile_options (${${PKG_CONFIG}_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})

# Bindings to compile
# --------------------
file(GLOB filelist "[A-z]*")
foreach(filename ${filelist})
  if(EXISTS "${filename}/CMakeLists.txt")
      add_subdirectory(${filename})
  endif(EXISTS "${filename}/CMakeLists.txt")
endforeach()

# Add a dummy target to enable global dependency order
# -----------------------------------------------------
if(EXTRA_DEPENDENCIES_ORDER)
    set(DEPENDENCIES_TARGET ${PROJECT_NAME}_extra_dependencies)
    add_custom_target(${DEPENDENCIES_TARGET} ALL
        DEPENDS ${EXTRA_DEPENDENCY_ORDER} 
    )
endif()

# Cmake does not maintain targets list before 3.7
# -------------------------------------------------
if(${CMAKE_VERSION} VERSION_LESS 3.7)
    set(GLOBAL_TARGET_LIST ${PROJECT_TARGETS})
else()
    get_property(GLOBAL_TARGET_LIST GLOBAL PROPERTY GlobalTargetList)
endif()

# Print developer helper message when everything is done
# -------------------------------------------------------
if(CLOSING_MESSAGE AND GLOBAL_TARGET_LIST)
    add_custom_target(${PROJECT_NAME}_done ALL
        DEPENDS ${DEPENDENCIES_TARGET} ${GLOBAL_TARGET_LIST}
        COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --cyan "++ ${CLOSING_MESSAGE}"
    )
endif()