Convert build scripts to CMake (#13427)

patches/tinycc/CMakeLists.txt

@@ -0,0 +1,137 @@
+# TODO: Commit to oven-sh/tinycc
+
+cmake_minimum_required(VERSION 3.10)
+project(tinycc VERSION 0.9.28 LANGUAGES C)
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Debug)
+endif()
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+if(WIN32)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+add_compile_options(-Wall)
+
+if(NOT CMAKE_C_COMPILER_ID MATCHES "tcc")
+  add_compile_options(
+    -fno-strict-aliasing
+    -Wdeclaration-after-statement
+    -Wpointer-sign
+    -Wsign-compare
+    -Wunused-result
+    -Wformat-truncation
+  )
+endif()
+
+if(CMAKE_C_COMPILER_ID MATCHES "GNU")
+  add_compile_options(
+    -fheinous-gnu-extensions
+    -Wno-string-plus-int
+    -Wno-deprecated-declarations
+  )
+endif()
+
+add_compile_definitions(
+  CONFIG_TCC_PREDEFS
+  ONE_SOURCE=0
+  TCC_LIBTCC1="\\0"
+)
+
+if(APPLE)
+  add_compile_definitions(
+    TCC_TARGET_MACHO
+    CONFIG_CODESIGN
+    CONFIG_NEW_MACHO
+    CONFIG_USR_INCLUDE=\"${CMAKE_OSX_SYSROOT}\"
+  )
+endif()
+
+if(WIN32)
+  add_compile_definitions(
+    CONFIG_WIN32
+    CONFIG_TCCDIR=\"${CMAKE_CURRENT_SOURCE_DIR}/win32\"
+  )
+endif()
+
+file(READ ${CMAKE_CURRENT_SOURCE_DIR}/VERSION TCC_VERSION)
+
+add_compile_definitions(TCC_VERSION=\"${TCC_VERSION}\")
+
+execute_process(
+  COMMAND git rev-parse --short HEAD
+  OUTPUT_VARIABLE TCC_GITHASH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  ERROR_QUIET
+)
+
+if(TCC_GITHASH)
+  add_compile_definitions(TCC_GITHASH=\"${TCC_GITHASH}\")
+endif()
+
+set(TCC_SOURCES
+  libtcc.c
+  tccpp.c
+  tccgen.c
+  tccdbg.c
+  tccelf.c
+  tccasm.c
+  tccrun.c
+)
+
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64|ARM64")
+  list(APPEND TCC_SOURCES
+    arm64-gen.c
+    arm64-link.c
+    arm64-asm.c
+  )
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|x64|amd64|AMD64")
+  list(APPEND TCC_SOURCES
+    x86_64-gen.c
+    x86_64-link.c
+    i386-asm.c
+  )
+else()
+  message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
+if(APPLE)
+  list(APPEND TCC_SOURCES tccmacho.c)
+endif()
+
+if(WIN32)
+  list(APPEND TCC_SOURCES tccpe.c)
+endif()
+
+add_executable(c2str.exe conftest.c)
+target_compile_options(c2str.exe PRIVATE -DC2STR)
+
+add_custom_command(
+  TARGET
+    c2str.exe POST_BUILD
+  COMMAND
+    c2str.exe include/tccdefs.h tccdefs_.h
+  WORKING_DIRECTORY
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_library(tcc STATIC ${TCC_SOURCES})
+
+add_custom_command(
+  TARGET
+    tcc PRE_BUILD
+  COMMAND
+    ${CMAKE_COMMAND} -E touch config.h
+  WORKING_DIRECTORY
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_dependencies(tcc c2str.exe)
+
+target_include_directories(tcc PUBLIC 
+  ${CMAKE_CURRENT_SOURCE_DIR}
+  ${CMAKE_CURRENT_SOURCE_DIR}/include
+)

patches/tinycc/tcc.h.patch

@@ -0,0 +1,12 @@
+--- tcc.h
++++ tcc.h
+@@ -23,7 +23,9 @@
+ 
+ #define _GNU_SOURCE
+ #define _DARWIN_C_SOURCE
++#if __has_include("config.h")
+ #include "config.h"
++#endif
+ 
+ #include <stdarg.h>
+ #include <stdlib.h>

patches/zlib/deflate.h.patch

@@ -0,0 +1,26 @@
+--- deflate.h
++++ deflate.h
+@@ -326,23 +326,7 @@ extern const uint8_t ZLIB_INTERNAL _dist_code[];
+     flush = (s->sym_next == s->sym_end); \
+   }
+ 
+-#ifdef _MSC_VER
+-
+-/* MSC doesn't have __builtin_expect.  Just ignore likely/unlikely and
+-   hope the compiler optimizes for the best.
+-*/
+-#define likely(x)       (x)
+-#define unlikely(x)     (x)
+-
+-int __inline __builtin_ctzl(unsigned long mask)
+-{
+-    unsigned long index ;
+-
+-    return _BitScanForward(&index, mask) == 0 ? 32 : ((int)index) ;
+-}
+-#else
+ #define likely(x)       __builtin_expect((x),1)
+ #define unlikely(x)     __builtin_expect((x),0)
+-#endif
+ 
+ #endif /* DEFLATE_H */