first commit

2026-09-13 22:18:11 +01:00
commit 08c03ac533
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+# - Try to find libcares
+# Once done this will define
+#  LIBCARES_FOUND        - System has libcares
+#  LIBCARES_INCLUDE_DIRS - The libcares include directories
+#  LIBCARES_LIBRARIES    - The libraries needed to use libcares
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBCARES QUIET libcares)
+
+find_path(LIBCARES_INCLUDE_DIR
+  NAMES ares.h
+  HINTS ${PC_LIBCARES_INCLUDE_DIRS}
+)
+find_library(LIBCARES_LIBRARY
+  NAMES cares
+  HINTS ${PC_LIBCARES_LIBRARY_DIRS}
+)
+
+if(LIBCARES_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+ARES_VERSION_STR[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBCARES_INCLUDE_DIR}/ares_version.h"
+    LIBCARES_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBCARES_VERSION "${LIBCARES_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBCARES_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libcares REQUIRED_VARS
+                                  LIBCARES_LIBRARY LIBCARES_INCLUDE_DIR
+                                  VERSION_VAR LIBCARES_VERSION)
+
+if(LIBCARES_FOUND)
+  set(LIBCARES_LIBRARIES     ${LIBCARES_LIBRARY})
+  set(LIBCARES_INCLUDE_DIRS  ${LIBCARES_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBCARES_INCLUDE_DIR LIBCARES_LIBRARY)