https://github.com/ccache/ccache/pull/1465
https://github.com/ccache/ccache/commit/a641e5ea3087752af71e60690dcf3ed3c1dbc56a

From a641e5ea3087752af71e60690dcf3ed3c1dbc56a Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sat, 8 Jun 2024 15:11:48 +0100
Subject: [PATCH] build: Find CppHttplib named libhttplib.so as well (#1465)

On Gentoo, the library name is 'httplib', not 'cpp-httplib'. Search
for that first (as it appears to be "more vanilla"), then fall back
to 'cpp-httplib'.
--- a/cmake/FindCppHttplib.cmake
+++ b/cmake/FindCppHttplib.cmake
@@ -12,7 +12,11 @@ else()
     if(NOT "${CMAKE_MATCH_0}" STREQUAL "" AND "${_cpphttplib_version_string}" VERSION_GREATER_EQUAL "${CppHttplib_FIND_VERSION}")
       # Some dists like Fedora package cpp-httplib as a single header while some
       # dists like Debian package it as a traditional library.
-      find_library(CPPHTTPLIB_LIBRARY cpp-httplib)
+      find_library(CPPHTTPLIB_LIBRARY httplib)
+      if(NOT CPPHTTPLIB_LIBRARY)
+        find_library(CPPHTTPLIB_LIBRARY cpp-httplib)
+      endif()
+
       if(CPPHTTPLIB_LIBRARY)
         message(STATUS "Using system CppHttplib (${CPPHTTPLIB_LIBRARY})")
         add_library(dep_cpphttplib UNKNOWN IMPORTED)