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cmake: Decouple bioformats cmake logic
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Roger Leigh
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Jun 10, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,286 @@ | ||
| # #%L | ||
| # Bio-Formats C++ libraries (cmake build infrastructure) | ||
| # %% | ||
| # Copyright © 2006 - 2015 Open Microscopy Environment: | ||
| # - Massachusetts Institute of Technology | ||
| # - National Institutes of Health | ||
| # - University of Dundee | ||
| # - Board of Regents of the University of Wisconsin-Madison | ||
| # - Glencoe Software, Inc. | ||
| # %% | ||
| # Redistribution and use in source and binary forms, with or without | ||
| # modification, are permitted provided that the following conditions are met: | ||
| # | ||
| # 1. Redistributions of source code must retain the above copyright notice, | ||
| # this list of conditions and the following disclaimer. | ||
| # 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| # this list of conditions and the following disclaimer in the documentation | ||
| # and/or other materials provided with the distribution. | ||
| # | ||
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE | ||
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| # POSSIBILITY OF SUCH DAMAGE. | ||
| # | ||
| # The views and conclusions contained in the software and documentation are | ||
| # those of the authors and should not be interpreted as representing official | ||
| # policies, either expressed or implied, of any organization. | ||
| # #L% | ||
|
|
||
| # Use new variable expansion policy. | ||
| if (POLICY CMP0053) | ||
| cmake_policy(SET CMP0053 NEW) | ||
| endif(POLICY CMP0053) | ||
| if (POLICY CMP0054) | ||
| cmake_policy(SET CMP0054 NEW) | ||
| endif(POLICY CMP0054) | ||
|
|
||
| function(cxx_std_check flag var) | ||
| check_cxx_compiler_flag("${flag}" ${var}) | ||
| if (${var}) | ||
| set(CMAKE_CXX_FLAGS_SAVE "${CMAKE_CXX_FLAGS}") | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") | ||
|
|
||
| check_cxx_source_compiles("#include <cstdarg> | ||
| void format(const char *fmt, va_list ap) | ||
| { | ||
| va_list ap2; | ||
| va_copy(ap2, ap); | ||
| } | ||
| int main() { | ||
| }" | ||
| "${var}_CSTDARG") | ||
|
|
||
| check_cxx_source_compiles("#include <stdarg.h> | ||
| void format(const char *fmt, va_list ap) | ||
| { | ||
| va_list ap2; | ||
| va_copy(ap2, ap); | ||
| } | ||
| int main() { | ||
| }" | ||
| "${var}_STDARG") | ||
|
|
||
| if("${var}" STREQUAL "CXX_FLAG_CXX11") | ||
| check_cxx_source_compiles("#include <type_traits> | ||
| // overloads are enabled via the return type | ||
| template<class T> | ||
| typename std::enable_if<std::is_floating_point<T>::value, T>::type | ||
| test(T t) | ||
| { | ||
| return t; | ||
| } | ||
| int main() | ||
| { | ||
| test(2.4); | ||
| }" | ||
| "${var}_ENABLE_IF") | ||
| endif("${var}" STREQUAL "CXX_FLAG_CXX11") | ||
| else(${var}) | ||
| set("${var}_CSTDARG" OFF) | ||
| set("${var}_STDARG" OFF) | ||
| set("${var}_ENABLE_IF" OFF) | ||
| endif(${var}) | ||
|
|
||
| if(${${var}_CSTDARG} OR ${${var}_STDARG}) | ||
| set(${var} ${${var}} PARENT_SCOPE) | ||
| else() | ||
| set(${var} FALSE PARENT_SCOPE) | ||
| endif() | ||
|
|
||
| if("${var}" STREQUAL "CXX_FLAG_CXX11") | ||
| if(${var} AND NOT ${${var}_ENABLE_IF}) | ||
| set(${var} FALSE PARENT_SCOPE) | ||
| endif() | ||
| endif() | ||
|
|
||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_SAVE}") | ||
| endfunction(cxx_std_check) | ||
|
|
||
|
|
||
| # Try to put the compiler into the most recent standard mode. This | ||
| # will generally have the most features, and will remove the need for | ||
| # Boost fallbacks if native implementations are available. | ||
| option(cxxstd-autodetect "Enable C++14 features if possible, otherwise fall back to C++11, C++03 or C++98" OFF) | ||
| if (cxxstd-autodetect) | ||
| if (NOT MSVC) | ||
| cxx_std_check(-std=c++14 CXX_FLAG_CXX14) | ||
| if (CXX_FLAG_CXX14) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14") | ||
| else() | ||
| cxx_std_check(-std=c++11 CXX_FLAG_CXX11) | ||
| if (CXX_FLAG_CXX11) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") | ||
| else() | ||
| cxx_std_check(-std=c++03 CXX_FLAG_CXX03) | ||
| if (CXX_FLAG_CXX03) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03") | ||
| else() | ||
| cxx_std_check(-std=c++98 CXX_FLAG_CXX98) | ||
| if (CXX_FLAG_CXX98) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++98") | ||
| else() | ||
| cxx_std_check("" CXX_FLAG_NONE) | ||
| if (NOT CXX_FLAG_NONE) | ||
| message(WARNING "Could not determine compiler options for enabling the most recent C++ standard; this might be expected for your compiler") | ||
| endif (NOT CXX_FLAG_NONE) | ||
| endif(CXX_FLAG_CXX98) | ||
| endif(CXX_FLAG_CXX03) | ||
| endif(CXX_FLAG_CXX11) | ||
| endif(CXX_FLAG_CXX14) | ||
| endif (NOT MSVC) | ||
| endif (cxxstd-autodetect) | ||
|
|
||
| # Try to enable the -pedantic flag. This one needs special casing | ||
| # since it may break building with older compilers where int64_t (long | ||
| # long) isn't available in pedantic mode because it's not part of the | ||
| # C++98 standard. Newer compilers support long long properly. | ||
| if (NOT MSVC) | ||
| set(flag -pedantic) | ||
| set(test_cxx_flag "CXX_FLAG${flag}") | ||
| CHECK_CXX_COMPILER_FLAG(${flag} "${test_cxx_flag}") | ||
| if (${test_cxx_flag}) | ||
| SET(CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS}) | ||
| SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") | ||
| check_cxx_source_compiles( | ||
| "int main() { | ||
| long long l; | ||
| }" | ||
| CXX_PEDANTIC_LONG_LONG) | ||
| SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE}) | ||
| if (${CXX_PEDANTIC_LONG_LONG}) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") | ||
| endif (${CXX_PEDANTIC_LONG_LONG}) | ||
| endif (${test_cxx_flag}) | ||
| endif (NOT MSVC) | ||
|
|
||
| # These are annoyingly verbose, produce false positives or don't work | ||
| # nicely with all supported compiler versions, so are disabled unless | ||
| # explicitly enabled. | ||
| option(extra-warnings "Enable extra compiler warnings" OFF) | ||
|
|
||
| # This will cause the compiler to fail when an error occurs. | ||
| option(fatal-warnings "Compiler warnings are errors" OFF) | ||
|
|
||
| # Check if the compiler supports each of the following additional | ||
| # warning flags, and enable them if supported. This greatly improves | ||
| # the quality of the build by checking for a number of common | ||
| # problems, some of which are quite serious. | ||
| if (NOT MSVC) | ||
| set(test_flags | ||
| -Wall | ||
| -Wcast-align | ||
| -Wcast-qual | ||
| -Wctor-dtor-privacy | ||
| -Wextra | ||
| -Wformat=2 | ||
| -Wimplicit-atomic-properties | ||
| -Wmissing-declarations | ||
| -Wno-long-long | ||
| -Wnon-virtual-dtor | ||
| -Wold-style-cast | ||
| -Woverlength-strings | ||
| -Woverloaded-virtual | ||
| -Wredundant-decls | ||
| -Wreorder | ||
| -Wswitch-default | ||
| -Wunused-variable | ||
| -Wwrite-strings | ||
| -fstrict-aliasing) | ||
| if (extra-warnings) | ||
| list(APPEND test_flags | ||
| -Wconversion | ||
| -Wdocumentation | ||
| -Wfloat-equal | ||
| -Wmissing-prototypes | ||
| -Wunreachable-code) | ||
| endif (extra-warnings) | ||
| if (fatal-warnings) | ||
| list(APPEND test_flags | ||
| -Werror) | ||
| endif (fatal-warnings) | ||
| else (NOT MSVC) | ||
| set(test_flags | ||
| /bigobj) | ||
| if (extra-warnings) | ||
| list(APPEND test_flags | ||
| /W4) | ||
| else (extra-warnings) | ||
| list(APPEND test_flags | ||
| /W3) | ||
| endif (extra-warnings) | ||
| if (fatal-warnings) | ||
| list(APPEND test_flags | ||
| /WX) | ||
| endif (fatal-warnings) | ||
| endif (NOT MSVC) | ||
|
|
||
| foreach(flag ${test_flags}) | ||
| string(REGEX REPLACE "[^A-Za-z0-9]" "_" flag_var "${flag}") | ||
| set(test_cxx_flag "CXX_FLAG${flag_var}") | ||
| CHECK_CXX_COMPILER_FLAG(${flag} "${test_cxx_flag}") | ||
| if (${test_cxx_flag}) | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") | ||
| endif (${test_cxx_flag}) | ||
| endforeach(flag ${test_flags}) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <tuple> | ||
| int main() { std::tuple<int,double> t; } | ||
| " OME_HAVE_TUPLE) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <tr1/tuple> | ||
| int main() { std::tr1::tuple<int,double> t; } | ||
| " OME_HAVE_TR1_TUPLE) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <cstdint> | ||
| int main() { uint16_t test(134); } | ||
| " OME_HAVE_CSTDINT) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <memory> | ||
| struct foo : public ome::compat::enable_shared_from_this<foo> | ||
| { | ||
| foo() {} | ||
| }; | ||
| int main() { ome::compat::shared_ptr<foo> f(new foo()); } | ||
| " OME_HAVE_MEMORY) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| void foo() noexcept{} | ||
| int main() { foo(); } | ||
| " OME_HAVE_NOEXCEPT) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <array> | ||
| int main() { std::array<int,3> a; a[0] = 5; } | ||
| " OME_HAVE_ARRAY) | ||
|
|
||
| check_cxx_source_compiles(" | ||
| #include <cstdarg> | ||
| void print(const char *fmt, ...) | ||
| { | ||
| va_list va1, va2; | ||
| va_start(va1, fmt); | ||
| va_copy(va2, va1); | ||
| va_end(va1); | ||
| } | ||
| int main() { print(\"%d %s\", 43, \"test\"); } | ||
| " OME_HAVE_CSTDARG) |
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