CMake build system

cmake/compilers/all.cmake

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+include(compilers/appleclang)
+include(compilers/clang)
+include(compilers/gcc)
+include(compilers/gnu)
+include(compilers/msvc)

cmake/compilers/appleclang.cmake

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+# Apple Clang compiler specific settings
+
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
+    return()
+endif()

cmake/compilers/clang.cmake

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+# Clang compiler specific settings
+
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    return()
+endif()

cmake/compilers/gcc.cmake

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+# GCC compiler specific settings
+
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    return()
+endif()

cmake/compilers/gnu.cmake

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+# GNU style (GCC/Clang) compiler specific settings
+
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_ID MATCHES "^(Apple)?Clang$")
+    return()
+endif()
+
+set(ASM_SOURCES
+    ${SOURCE_DIR}/asm/snapvector.c
+    ${SOURCE_DIR}/asm/ftola.c
+)
+
+add_compile_options(-Wall -Wimplicit
+    -Wstrict-prototypes -Wformat=2  -Wformat-security
+    -Wstrict-aliasing=2 -Wmissing-format-attribute
+    -Wdisabled-optimization -Werror-implicit-function-declaration)
+
+add_compile_options(-Wno-strict-aliasing
+    -Wno-format-zero-length -Wno-format-nonliteral)

cmake/compilers/msvc.cmake

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+# MSVC compiler specific settings
+
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "MSVC")
+    return()
+endif()
+
+include(utils/arch)
+
+enable_language(ASM_MASM)
+
+set(ASM_SOURCES
+    ${SOURCE_DIR}/asm/snapvector.asm
+    ${SOURCE_DIR}/asm/ftola.asm
+)
+
+if(ARCH MATCHES "x86_64")
+    list(APPEND ASM_SOURCES ${SOURCE_DIR}/asm/vm_x86_64.asm)
+    set_source_files_properties(
+        ${ASM_SOURCES}
+        PROPERTIES COMPILE_DEFINITIONS "idx64")
+endif()
+
+# Baseline warnings
+add_compile_options("$<$<COMPILE_LANGUAGE:C>:/W4>")
+
+# C4267: 'var' : conversion from 'size_t' to 'type', possible loss of data
+# There are way too many of these to realistically deal with them
+add_compile_options("$<$<COMPILE_LANGUAGE:C>:/wd4267>")
+
+# MSVC doesn't understand __inline__, which libjpeg uses
+add_compile_definitions(__inline__=inline)
+
+# It's unlikely that we'll move to the _s variants, so stop the warning
+add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
+
+# The sockets platform abstraction layer necessarily uses deprecated APIs
+add_compile_definitions(_WINSOCK_DEPRECATED_NO_WARNINGS)