CMake build system

cmake/compilers/gnu.cmake

@@ -0,0 +1,18 @@
+# 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)