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1 | ## |
2 | |
3 | if(FLAGS_ALREADY_INCLUDED) |
4 | return() |
5 | endif() |
6 | set(FLAGS_ALREADY_INCLUDED 1) |
7 | |
9f33b387 |
8 | |
9 | if (MSVC) |
10 | add_definitions(/fp:precise) |
11 | endif() |
12 | |
13 | # set compiler short name and choose SSE2 option for appropriate MSVC compilers |
14 | # ONLY for 32-bit |
15 | if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8) |
16 | if (MSVC80 OR MSVC90 OR MSVC10) |
17 | add_definitions(/arch:SSE2) |
18 | endif() |
19 | endif() |
20 | |
9f33b387 |
21 | if (WIN32) |
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22 | add_definitions (-wd4996) |
9f33b387 |
23 | elseif (APPLE) |
57c28b61 |
24 | add_definitions (-fexceptions -fPIC -DOCC_CONVERT_SIGNALS) |
9f33b387 |
25 | else() |
57c28b61 |
26 | add_definitions (-fexceptions -fPIC -DOCC_CONVERT_SIGNALS) |
9f33b387 |
27 | endif() |
28 | |
29 | # enable structured exceptions for MSVC |
30 | string (REGEX MATCH "EHsc" ISFLAG "${CMAKE_CXX_FLAGS}") |
31 | if (ISFLAG) |
32 | string (REGEX REPLACE "EHsc" "EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
33 | elseif (WIN32) |
34 | set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -EHa") |
35 | endif() |
36 | |
57c28b61 |
37 | # remove _WINDOWS flag if it exists |
38 | string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_CXX_FLAGS}") |
39 | if (IS_WINDOWSFLAG) |
40 | message (STATUS "/D_WINDOWS has been removed from CMAKE_CXX_FLAGS") |
41 | string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
42 | endif() |
43 | |
44 | # remove WIN32 flag if it exists |
45 | string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_CXX_FLAGS}") |
46 | if (IS_WIN32FLAG) |
47 | message (STATUS "/DWIN32 has been removed from CMAKE_CXX_FLAGS") |
48 | string (REGEX REPLACE "/DWIN32" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
49 | endif() |
50 | |
51 | # remove _WINDOWS flag if it exists |
52 | string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_C_FLAGS}") |
53 | if (IS_WINDOWSFLAG) |
54 | message (STATUS "/D_WINDOWS has been removed from CMAKE_C_FLAGS") |
55 | string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") |
56 | endif() |
57 | |
58 | # remove WIN32 flag if it exists |
59 | string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_C_FLAGS}") |
60 | if (IS_WIN32FLAG) |
61 | message (STATUS "/DWIN32 has been removed from CMAKE_C_FLAGS") |
62 | string (REGEX REPLACE "/DWIN32" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") |
63 | endif() |
64 | |
9f33b387 |
65 | # remove DEBUG flag if it exists |
66 | string (REGEX MATCH "-DDEBUG" IS_DEBUG_CXX "${CMAKE_CXX_FLAGS_DEBUG}") |
67 | if (IS_DEBUG_CXX) |
68 | message (STATUS "-DDEBUG has been removed from CMAKE_CXX_FLAGS_DEBUG") |
69 | string (REGEX REPLACE "-DDEBUG" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") |
70 | endif() |
71 | |
72 | string (REGEX MATCH "-DDEBUG" IS_DEBUG_C "${CMAKE_C_FLAGS_DEBUG}") |
73 | if (IS_DEBUG_C) |
74 | message (STATUS "-DDEBUG has been removed from CMAKE_C_FLAGS_DEBUG") |
75 | string (REGEX REPLACE "-DDEBUG" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") |
76 | endif() |
9f33b387 |
77 | # enable parallel compilation on MSVC 9 and above |
78 | if (MSVC AND NOT MSVC70 AND NOT MSVC80) |
79 | set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -MP") |
80 | endif() |
81 | |
82 | # generate a single response file which enlist all of the object files |
83 | SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1) |
84 | SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1) |
7dc2c165 |
85 | # increase compiler warnings level (-W4 for MSVC, -Wextra for GCC) |
9f33b387 |
86 | if (MSVC) |
87 | if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]") |
88 | string (REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
89 | else() |
90 | set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4") |
91 | endif() |
92 | elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) |
7dc2c165 |
93 | set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra") |
9f33b387 |
94 | endif() |
95 | |
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96 | if (DEFINED CMAKE_COMPILER_IS_GNUCXX OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang") |
97 | set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}") |
98 | endif() |
99 | |
41ec04db |
100 | # Optimize size of binaries |
101 | if (NOT WIN32 AND NOT APPLE) |
102 | set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s") |
103 | set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s") |
104 | endif() |
105 | |
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106 | set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception") |
57c28b61 |
107 | set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception") |