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37 ######################################
38 # Output compiler and CFLAGS used
39 ######################################
40 include(GetCompilerInfo.cmake)
41 get_compiler_info(C BUILD_C_COMPILER)
42 get_compiler_info(CXX BUILD_CXX_COMPILER)
44 if(NOT GMX_CLANG_CUDA)
45 GMX_SET_CUDA_NVCC_FLAGS()
48 get_cuda_compiler_info(CUDA_COMPILER_INFO CUDA_DEVICE_COMPILER_FLAGS CUDA_HOST_COMPILER_FLAGS)
51 # Make a file with compiler flags used for libgromacs for each
52 # langauge and build configuration. The one that corresponds to
53 # CMAKE_BUILD_TYPE is #included into buildinfo.h and populates the
54 # fields e.g. printed to the log file.
56 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/compilerflaginfo-$<CONFIG>-$<COMPILE_LANGUAGE>.h
57 INPUT ${CMAKE_CURRENT_SOURCE_DIR}/compilerflaginfo.h.cmakein
58 CONDITION $<CONFIG:${CMAKE_BUILD_TYPE}>
62 set(IGNORED_CLANG_ALL_WARNINGS
63 "-Wno-c++98-compat -Wno-c++98-compat-pedantic" #No intention of C++98 compability
64 "-Wno-source-uses-openmp" #Don't warn for no-omp build
65 "-Wno-c++17-extensions" #Allowed in attributes (compilers are required to ignore unknown attributes)
66 "-Wno-documentation-unknown-command" #Custom commands are used
67 "-Wno-covered-switch-default" #GCC gives maybe-uninitialized without default label and checks for illegal enum values.
68 "-Wno-switch-enum" # default statement for enum is OK
70 # We need to use macros like
71 # GMX_CATCH_ALL_AND_EXIT_WITH_FATAL_ERROR. Those will look strange
72 # if they don't have a semicolon after them, and might confuse
73 # tools like IDEs also.
74 "-Wno-extra-semi-stmt"
76 #Following ones are undecided/TODO
77 "-Wno-disabled-macro-expansion"
79 "-Wno-reserved-id-macro"
80 "-Wno-global-constructors"
81 "-Wno-exit-time-destructors"
84 "-Wno-conditional-uninitialized"
85 "-Wno-format-nonliteral"
89 "-Wno-used-but-marked-unused"
94 "-Wno-double-promotion")
95 string(REPLACE " " ";" IGNORED_CLANG_ALL_WARNINGS "${IGNORED_CLANG_ALL_WARNINGS}")
97 option(GMX_CLANG_TIDY "Use clang-tidy" OFF)
99 if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
100 elseif("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithAssert")
101 elseif("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
102 elseif("${CMAKE_BUILD_TYPE}" STREQUAL "ASAN")
104 message(FATAL_ERROR "Can only use clang-tidy with build type containing asserts: Debug, RelWithAssert, RelWithDebInfo, ASAN.")
106 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
107 mark_as_advanced(CMAKE_EXPORT_COMPILE_COMMANDS)
108 set(CLANG_TIDY "clang-tidy" CACHE STRING "Name of clang-tidy executable")
109 find_program(CLANG_TIDY_EXE NAMES "${CLANG_TIDY}"
110 DOC "Path to clang-tidy executable")
111 if(NOT CLANG_TIDY_EXE)
112 message(FATAL_ERROR "clang-tidy not found.")
114 mark_as_advanced(CLANG_TIDY)
115 mark_as_advanced(CLANG_TIDY_EXE)
118 add_subdirectory(external)
121 if(NOT GMX_DEVELOPER_BUILD)
122 set(UNITTEST_TARGET_OPTIONS EXCLUDE_FROM_ALL)
124 include(testutils/TestMacros.cmake)
125 add_subdirectory(testutils)
128 add_subdirectory(gromacs)
129 add_subdirectory(programs)
131 # Activate targets for new C++ API components and docs.
133 if (GMX_BUILD_MDRUN_ONLY)
134 message(FATAL_ERROR "GMXAPI relies on libgromacs and is incompatible with GMX_BUILD_MDRUN_ONLY.")
136 if(NOT ${BUILD_SHARED_LIBS})
137 # Note: this conditional should check for the existence of a libgromacs target supporting PIC
138 # using the POSITION_INDEPENDENT_CODE property, but for now the only facility we have is the global
139 # variable, BUILD_SHARED_LIBS.
140 # TODO: gmxapi should gracefully build for dynamic linking or static linking for PIC or without.
141 message(FATAL_ERROR "GMXAPI requires position-independent code. Set -DGMXAPI=OFF or -DBUILD_SHARED_LIBS=ON.")
143 add_subdirectory(api)
146 # Configure header files with configuration-specific values. This step
147 # should follow all introspection e.g. looking for headers and
148 # libraries. If not, cmake will need to change the contents of the
149 # file upon subsequent runs of cmake. This can mean that
151 # cmake $src && make && make test
153 # requires building all the source files that depend on the changed
154 # header file in both of the make stages. That's slow, and is useless
155 # busy work for ccache, too.
156 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UPPER)
157 configure_file(config.h.cmakein config.h)
158 configure_file(gmxpre-config.h.cmakein gmxpre-config.h)
160 set(CMAKE_BUILD_CONFIGURATION_C_FLAGS ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPER}})
161 set(CMAKE_BUILD_CONFIGURATION_CXX_FLAGS ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UPPER}})
162 configure_file(buildinfo.h.cmakein buildinfo.h ESCAPE_QUOTES)