[PR 128] CMake: Add Findcppcodec.cmake for building without Hunter

Author: eigendude

cmake/dependencies.cmake

@@ -1,6 +1,11 @@
 # hunter dependencies
 # https://docs.hunter.sh/en/latest/packages/
 
+# Append local modules path if Hunter is not enabled
+if (NOT HUNTER_ENABLED)
+  list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
+endif()
+
 if (TESTING)
   # https://docs.hunter.sh/en/latest/packages/pkg/GTest.html
   hunter_add_package(GTest)
@@ -45,4 +50,4 @@ find_package(libp2p CONFIG REQUIRED)
 
 # https://docs.hunter.sh/en/latest/packages/pkg/cppcodec.html
 hunter_add_package(cppcodec)
-find_package(cppcodec CONFIG REQUIRED)
+find_package(cppcodec REQUIRED)

cmake/modules/Findcppcodec.cmake

@@ -0,0 +1,9 @@
+# Try to find cppcodec
+# Once done, this will define
+#
+# CPPCODEC_FOUND        -  system has cppcodec
+
+find_package(PkgConfig)
+if (PKG_CONFIG_FOUND)
+  pkg_check_modules(CPPCODEC cppcodec)
+endif()