1 files changed, 43 insertions, 0 deletions
diff --git a/cmake/FindLibngtcp2_crypto_quictls.cmake b/cmake/FindLibngtcp2_crypto_quictls.cmake
new file mode 100644
index 0000000..3d55b63
--- /dev/null
+++ b/cmake/FindLibngtcp2_crypto_quictls.cmake
@@ -0,0 +1,43 @@
+# - Try to find libngtcp2_crypto_quictls
+# Once done this will define
+#  LIBNGTCP2_CRYPTO_QUICTLS_FOUND        - System has libngtcp2_crypto_quictls
+#  LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS - The libngtcp2_crypto_quictls include directories
+#  LIBNGTCP2_CRYPTO_QUICTLS_LIBRARIES    - The libraries needed to use libngtcp2_crypto_quictls
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBNGTCP2_CRYPTO_QUICTLS QUIET libngtcp2_crypto_quictls)
+
+find_path(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
+  NAMES ngtcp2/ngtcp2_crypto_quictls.h
+  HINTS ${PC_LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS}
+)
+find_library(LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY
+  NAMES ngtcp2_crypto_quictls
+  HINTS ${PC_LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY_DIRS}
+)
+
+if(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR}/ngtcp2/version.h"
+    LIBNGTCP2_CRYPTO_QUICTLS_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBNGTCP2_CRYPTO_QUICTLS_VERSION "${LIBNGTCP2_CRYPTO_QUICTLS_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set
+# LIBNGTCP2_CRYPTO_QUICTLS_FOUND to TRUE if all listed variables are
+# TRUE and the requested version matches.
+find_package_handle_standard_args(Libngtcp2_crypto_quictls REQUIRED_VARS
+                                  LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY
+                                  LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
+                                  VERSION_VAR LIBNGTCP2_CRYPTO_QUICTLS_VERSION)
+
+if(LIBNGTCP2_CRYPTO_QUICTLS_FOUND)
+  set(LIBNGTCP2_CRYPTO_QUICTLS_LIBRARIES ${LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY})
+  set(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
+                 LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY)