sync with upstream

1 files changed, 44 insertions, 0 deletions

diff --git a/cmake/modules/FindIconv.cmake b/cmake/modules/FindIconv.cmake
new file mode 100644
index 0000000..8ee01fb
--- /dev/null
+++ b/cmake/modules/FindIconv.cmake
@@ -0,0 +1,44 @@
+#.rst:
+# FindICONV
+# --------
+# Finds the ICONV library
+#
+# This will will define the following variables::
+#
+# ICONV_FOUND - system has ICONV
+# ICONV_INCLUDE_DIRS - the ICONV include directory
+# ICONV_LIBRARIES - the ICONV libraries
+#
+# and the following imported targets::
+#
+#   ICONV::ICONV   - The ICONV library
+
+find_path(ICONV_INCLUDE_DIR NAMES iconv.h)
+
+find_library(ICONV_LIBRARY NAMES iconv libiconv c)
+
+set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARY})
+check_function_exists(iconv HAVE_ICONV_FUNCTION)
+if(NOT HAVE_ICONV_FUNCTION)
+  check_function_exists(libiconv HAVE_LIBICONV_FUNCTION2)
+  set(HAVE_ICONV_FUNCTION ${HAVE_LIBICONV_FUNCTION2})
+  unset(HAVE_LIBICONV_FUNCTION2)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Iconv
+                                  REQUIRED_VARS ICONV_LIBRARY ICONV_INCLUDE_DIR HAVE_ICONV_FUNCTION)
+
+if(ICONV_FOUND)
+  set(ICONV_LIBRARIES ${ICONV_LIBRARY})
+  set(ICONV_INCLUDE_DIRS ${ICONV_INCLUDE_DIR})
+
+  if(NOT TARGET ICONV::ICONV)
+    add_library(ICONV::ICONV UNKNOWN IMPORTED)
+    set_target_properties(ICONV::ICONV PROPERTIES
+                                     IMPORTED_LOCATION "${ICONV_LIBRARY}"
+                                     INTERFACE_INCLUDE_DIRECTORIES "${ICONV_INCLUDE_DIR}")
+  endif()
+endif()
+
+mark_as_advanced(ICONV_INCLUDE_DIR ICONV_LIBRARY HAVE_ICONV_FUNCTION)