Merge pull request #705 from jengelh/bld

Fix link failure

Author: Lgt2x

CMakeLists.txt

@@ -180,14 +180,22 @@ endif()
 
 find_package(SDL3 REQUIRED CONFIG REQUIRED COMPONENTS SDL3)
 find_package(glm REQUIRED)
-if (TARGET httlib::httplib)
+find_package(httplib QUIET)
+if (TARGET httplib::httplib)
   add_library(httplib ALIAS httplib::httplib)
 else()
   # Some Linux distributions do not package httplibConfig.cmake, so find the header manually
   find_file(CPP_HTTPLIB_HEADER httplib.h REQUIRED)
+  find_library(CPP_HTTPLIB_LIB cpp-httplib QUIET)
 
   # The target httplib::httplib cannot be created manually, so rename it
   add_library(httplib INTERFACE ${CPP_HTTPLIB_HEADER})
+
+  # And some Linux distributions build httplib as header-only,
+  # and some as header+library. What a mess!
+  if (NOT ${CPP_HTTPLIB_LIB} STREQUAL "CPP_HTTPLIB_LIB-NOTFOUND")
+    target_link_libraries(httplib INTERFACE ${CPP_HTTPLIB_LIB})
+  endif ()
 endif()
 find_package(ZLIB REQUIRED)
 find_package(plog REQUIRED)