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authorPetr Hosek <phosek@google.com>2022-09-30 20:33:13 +0000
committerTobias Hieta <tobias@hieta.se>2022-10-18 08:28:56 +0200
commitb4840279846e1eea44c3dca575395a90c9d77ca0 (patch)
treeed1622f5e4d2bb954fdd40be5cd38115fe974891
parent6fba7854a2f0b6b3899bb156c1a0c4ae35c96e24 (diff)
downloadllvm-b4840279846e1eea44c3dca575395a90c9d77ca0.tar.gz
[CMake] Provide Findzstd module
This module is used to find the system zstd library. The imported targets intentionally use the same name as the generate zstd config CMake file so these can be used interchangeably. Differential Revision: https://reviews.llvm.org/D134990 (cherry picked from commit 2d4fd0b6d5d5582ebb8b521d807104235d67aee4)
-rw-r--r--llvm/cmake/modules/Findzstd.cmake49
1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/cmake/modules/Findzstd.cmake b/llvm/cmake/modules/Findzstd.cmake
new file mode 100644
index 000000000000..fab9ea803261
--- /dev/null
+++ b/llvm/cmake/modules/Findzstd.cmake
@@ -0,0 +1,49 @@
+# Try to find the zstd library
+#
+# If successful, the following variables will be defined:
+# zstd_INCLUDE_DIR
+# zstd_LIBRARY
+# zstd_FOUND
+#
+# Additionally, one of the following import targets will be defined:
+# zstd::libzstd_shared
+# zstd::libzstd_static
+
+if(MSVC)
+ set(zstd_SHARED_LIBRARY_SUFFIX "\\${CMAKE_LINK_LIBRARY_SUFFIX}$")
+ set(zstd_STATIC_LIBRARY_SUFFIX "_static\\${CMAKE_STATIC_LIBRARY_SUFFIX}$")
+else()
+ set(zstd_SHARED_LIBRARY_SUFFIX "\\${CMAKE_SHARED_LIBRARY_SUFFIX}$")
+ set(zstd_STATIC_LIBRARY_SUFFIX "\\${CMAKE_STATIC_LIBRARY_SUFFIX}$")
+endif()
+
+find_path(zstd_INCLUDE_DIR NAMES zstd.h)
+find_library(zstd_LIBRARY NAMES zstd zstd_static)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+ zstd DEFAULT_MSG
+ zstd_LIBRARY zstd_INCLUDE_DIR
+)
+
+if(zstd_FOUND)
+ if(zstd_LIBRARY MATCHES "${zstd_SHARED_LIBRARY_SUFFIX}$" AND
+ NOT TARGET zstd::libzstd_shared)
+ add_library(zstd::libzstd_shared SHARED IMPORTED)
+ set_target_properties(zstd::libzstd_shared PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${zstd_INCLUDE_DIR}"
+ IMPORTED_LOCATION "${zstd_LIBRARY}")
+ endif()
+ if(zstd_LIBRARY MATCHES "${zstd_STATIC_LIBRARY_SUFFIX}$" AND
+ NOT TARGET zstd::libzstd_static)
+ add_library(zstd::libzstd_static STATIC IMPORTED)
+ set_target_properties(zstd::libzstd_static PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${zstd_INCLUDE_DIR}"
+ IMPORTED_LOCATION "${zstd_LIBRARY}")
+ endif()
+endif()
+
+unset(zstd_SHARED_LIBRARY_SUFFIX)
+unset(zstd_STATIC_LIBRARY_SUFFIX)
+
+mark_as_advanced(zstd_INCLUDE_DIR zstd_LIBRARY)