add ZIG_STATIC cmake option

andrewrk · andrewrk · commit f586acabdcc4 · 2018-03-30T13:20:13.000-04:00
it's not compatible with glibc but it works with musl
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -35,6 +35,7 @@ set(ZIG_LIBC_STATIC_LIB_DIR "" CACHE STRING "Default native target libc director
 set(ZIG_LIBC_INCLUDE_DIR "/usr/include" CACHE STRING "Default native target libc include directory")
 set(ZIG_DYNAMIC_LINKER "" CACHE STRING "Override dynamic linker for native target")
 set(ZIG_EACH_LIB_RPATH off CACHE BOOL "Add each dynamic library to rpath for native target")
+set(ZIG_STATIC off CACHE BOOL "Attempt to build a static zig executable (not compatible with glibc)")
 
 string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_LIB_DIR_ESCAPED "${ZIG_LIBC_LIB_DIR}")
 string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_STATIC_LIB_DIR_ESCAPED "${ZIG_LIBC_STATIC_LIB_DIR}")
@@ -698,6 +699,8 @@ if(MINGW)
     set(EXE_LDFLAGS "-static -static-libgcc -static-libstdc++")
 elseif(MSVC)
     set(EXE_LDFLAGS "/STACK:16777216")
+elseif(ZIG_STATIC)
+    set(EXE_LDFLAGS "-static")
 else()
     set(EXE_LDFLAGS " ")
 endif()
diff --git a/cmake/Findllvm.cmake b/cmake/Findllvm.cmake
@@ -15,7 +15,7 @@ find_program(LLVM_CONFIG_EXE
         "c:/msys64/mingw64/bin"
         "C:/Libraries/llvm-6.0.0/bin")
 
-if(NOT(CMAKE_BUILD_TYPE STREQUAL "Debug"))
+if(NOT(CMAKE_BUILD_TYPE STREQUAL "Debug") OR ZIG_STATIC)
   execute_process(
       COMMAND ${LLVM_CONFIG_EXE} --libfiles --link-static
       OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES
