1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/cmake/FindBrotli.cmake b/third_party/jpeg-xl/cmake/FindBrotli.cmake
new file mode 100644
index 0000000000..9fb78e47d8
--- /dev/null
+++ b/third_party/jpeg-xl/cmake/FindBrotli.cmake
@@ -0,0 +1,75 @@
+# Copyright (c) the JPEG XL Project Authors. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+set(brlibs brotlicommon brotlienc brotlidec)
+
+find_package(PkgConfig QUIET)
+if (PkgConfig_FOUND)
+  foreach(brlib IN ITEMS ${brlibs})
+    string(TOUPPER "${brlib}" BRPREFIX)
+    pkg_check_modules("PC_${BRPREFIX}" lib${brlib})
+  endforeach()
+endif()
+
+find_path(BROTLI_INCLUDE_DIR
+  NAMES brotli/decode.h
+  HINTS ${PC_BROTLICOMMON_INCLUDEDIR} ${PC_BROTLICOMMON_INCLUDE_DIRS}
+)
+
+foreach(brlib IN ITEMS ${brlibs})
+  string(TOUPPER "${brlib}" BRPREFIX)
+  find_library(${BRPREFIX}_LIBRARY
+    NAMES ${${BRPREFIX}_NAMES} ${brlib}
+    HINTS ${PC_${BRPREFIX}_LIBDIR} ${PC_${BRPREFIX}_LIBRARY_DIRS}
+  )
+
+  if (${BRPREFIX}_LIBRARY AND NOT TARGET ${brlib})
+    if(CMAKE_VERSION VERSION_LESS "3.13.5")
+    add_library(${brlib} INTERFACE IMPORTED GLOBAL)
+      set_property(TARGET ${brlib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${BROTLI_INCLUDE_DIR})
+      target_link_libraries(${brlib} INTERFACE ${${BRPREFIX}_LIBRARY})
+      set_property(TARGET ${brlib} PROPERTY INTERFACE_COMPILE_OPTIONS ${PC_${BRPREFIX}_CFLAGS_OTHER})
+    else()
+    add_library(${brlib} INTERFACE IMPORTED GLOBAL)
+      target_include_directories(${brlib}
+        INTERFACE ${BROTLI_INCLUDE_DIR})
+      target_link_libraries(${brlib}
+        INTERFACE ${${BRPREFIX}_LIBRARY})
+      target_link_options(${brlib}
+        INTERFACE ${PC_${BRPREFIX}_LDFLAGS_OTHER})
+      target_compile_options(${brlib}
+        INTERFACE ${PC_${BRPREFIX}_CFLAGS_OTHER})
+    endif()
+  endif()
+endforeach()
+
+if (BROTLICOMMON_FOUND AND BROTLIENC_FOUND AND BROTLIDEC_FOUND)
+  set(Brotli_FOUND ON)
+else ()
+  set(Brotli_FOUND OFF)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Brotli
+  FOUND_VAR Brotli_FOUND
+  REQUIRED_VARS
+    BROTLI_INCLUDE_DIR
+    BROTLICOMMON_LIBRARY
+    BROTLIENC_LIBRARY
+    BROTLIDEC_LIBRARY
+  VERSION_VAR Brotli_VERSION
+)
+
+mark_as_advanced(
+  BROTLI_INCLUDE_DIR
+  BROTLICOMMON_LIBRARY
+  BROTLIENC_LIBRARY
+  BROTLIDEC_LIBRARY
+)
+
+if (Brotli_FOUND)
+  set(Brotli_LIBRARIES ${BROTLICOMMON_LIBRARY} ${BROTLIENC_LIBRARY} ${BROTLIDEC_LIBRARY})
+  set(Brotli_INCLUDE_DIRS ${BROTLI_INCLUDE_DIR})
+endif()