embed zstd

3rdparty/zstd-1.5.5/CMakeLists.txt

@@ -0,0 +1,80 @@
+# ################################################################
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# ################################################################
+
+project(libzstd C ASM)
+
+set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
+option(ZSTD_BUILD_COMPRESSION "BUILD COMPRESSION MODULE" ON)
+option(ZSTD_BUILD_DECOMPRESSION "BUILD DECOMPRESSION MODULE" ON)
+option(ZSTD_BUILD_DICTBUILDER "BUILD DICTBUILDER MODULE" ON)
+
+set(ZSTDLIB_VISIBLE "" CACHE STRING "Visibility for ZSTDLIB API")
+set(ZSTDERRORLIB_VISIBLE "" CACHE STRING "Visibility for ZSTDERRORLIB_VISIBLE API")
+set(ZDICTLIB_VISIBLE "" CACHE STRING "Visibility for ZDICTLIB_VISIBLE API")
+set(ZSTDLIB_STATIC_API "" CACHE STRING "Visibility for ZSTDLIB_STATIC_API API")
+set(ZDICTLIB_STATIC_API "" CACHE STRING "Visibility for ZDICTLIB_STATIC_API API")
+
+set_property(CACHE ZSTDLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
+set_property(CACHE ZSTDERRORLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
+set_property(CACHE ZDICTLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
+set_property(CACHE ZSTDLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
+set_property(CACHE ZDICTLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
+
+set(Sources src/zstd.c)
+
+# Explicitly set the language to C for all files, including ASM files.
+# Our assembly expects to be compiled by a C compiler, and is only enabled for
+# __GNUC__ compatible compilers. Otherwise all the ASM code is disabled by
+# macros.
+if(NOT CMAKE_ASM_COMPILER STREQUAL CMAKE_C_COMPILER)
+    set_source_files_properties(${Sources} PROPERTIES LANGUAGE C)
+endif()
+
+macro (add_definition target var)
+    if (NOT ("${${var}}" STREQUAL ""))
+        set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS "${var}=__attribute__((visibility(\"${${var}}\")))")
+    endif ()
+endmacro ()
+
+# Split project to static and shared libraries build
+set(library_targets)
+
+    add_library(libzstd_static STATIC ${Sources} ${Headers})
+    list(APPEND library_targets libzstd_static)
+    if (ZSTD_MULTITHREAD_SUPPORT)
+        set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
+        if (UNIX)
+            target_link_libraries(libzstd_static ${THREADS_LIBS})
+        endif ()
+    endif ()
+    add_definition(libzstd_static ZSTDLIB_VISIBLE)
+    add_definition(libzstd_static ZSTDERRORLIB_VISIBLE)
+    add_definition(libzstd_static ZDICTLIB_VISIBLE)
+    add_definition(libzstd_static ZSTDLIB_STATIC_API)
+    add_definition(libzstd_static ZDICTLIB_STATIC_API)
+
+# Add specific compile definitions for MSVC project
+if (MSVC)
+    set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_HEAPMODE=0;_CRT_SECURE_NO_WARNINGS")
+endif ()
+
+# With MSVC static library needs to be renamed to avoid conflict with import library
+if (MSVC OR (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT MINGW))
+    set(STATIC_LIBRARY_BASE_NAME zstd_static)
+else ()
+    set(STATIC_LIBRARY_BASE_NAME zstd)
+endif ()
+
+# Define static and shared library names
+set_target_properties(
+            libzstd_static
+            PROPERTIES
+            POSITION_INDEPENDENT_CODE On
+            OUTPUT_NAME ${STATIC_LIBRARY_BASE_NAME})
+