cmake: namespace all local variables in `curl-config.cmake`

Also:
- apply it to the local copy of this code in `lib/CMakeLists.txt`.
- replace 'CURL' with `@PROJECT_NAME@` in a message.

Closes #19777

diff --git a/CMake/curl-config.cmake.in b/CMake/curl-config.cmake.in
index 97c60d3a8d4de05a774be2aa1209cad30d244cac..7ae026d8f8c61e3e325f933dba18e807d93c5870 100644 (file)
--- a/CMake/curl-config.cmake.in
+++ b/CMake/curl-config.cmake.in
@@ -42,93 +42,93 @@ endif()
 set(_curl_cmake_module_path_save ${CMAKE_MODULE_PATH})
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR} ${CMAKE_MODULE_PATH})
 
-set(_libs "")
+set(_curl_libs "")
 
 if("@HAVE_BROTLI@")
   find_dependency(Brotli)
-  list(APPEND _libs CURL::brotli)
+  list(APPEND _curl_libs CURL::brotli)
 endif()
 if("@USE_ARES@")
   find_dependency(Cares)
-  list(APPEND _libs CURL::cares)
+  list(APPEND _curl_libs CURL::cares)
 endif()
 if("@HAVE_GSSAPI@")
   find_dependency(GSS)
-  list(APPEND _libs CURL::gss)
+  list(APPEND _curl_libs CURL::gss)
 endif()
 if("@USE_BACKTRACE@")
   find_dependency(Libbacktrace)
-  list(APPEND _libs CURL::libbacktrace)
+  list(APPEND _curl_libs CURL::libbacktrace)
 endif()
 if("@USE_GSASL@")
   find_dependency(Libgsasl)
-  list(APPEND _libs CURL::libgsasl)
+  list(APPEND _curl_libs CURL::libgsasl)
 endif()
 if(NOT "@USE_WIN32_LDAP@" AND NOT "@CURL_DISABLE_LDAP@")
   find_dependency(LDAP)
-  list(APPEND _libs CURL::ldap)
+  list(APPEND _curl_libs CURL::ldap)
 endif()
 if("@HAVE_LIBIDN2@")
   find_dependency(Libidn2)
-  list(APPEND _libs CURL::libidn2)
+  list(APPEND _curl_libs CURL::libidn2)
 endif()
 if("@USE_LIBPSL@")
   find_dependency(Libpsl)
-  list(APPEND _libs CURL::libpsl)
+  list(APPEND _curl_libs CURL::libpsl)
 endif()
 if("@USE_LIBRTMP@")
   find_dependency(Librtmp)
-  list(APPEND _libs CURL::librtmp)
+  list(APPEND _curl_libs CURL::librtmp)
 endif()
 if("@USE_LIBSSH@")
   find_dependency(Libssh)
-  list(APPEND _libs CURL::libssh)
+  list(APPEND _curl_libs CURL::libssh)
 endif()
 if("@USE_LIBSSH2@")
   find_dependency(Libssh2)
-  list(APPEND _libs CURL::libssh2)
+  list(APPEND _curl_libs CURL::libssh2)
 endif()
 if("@USE_LIBUV@")
   find_dependency(Libuv)
-  list(APPEND _libs CURL::libuv)
+  list(APPEND _curl_libs CURL::libuv)
 endif()
 if("@USE_MBEDTLS@")
   find_dependency(MbedTLS)
-  list(APPEND _libs CURL::mbedtls)
+  list(APPEND _curl_libs CURL::mbedtls)
 endif()
 if("@USE_NGHTTP2@")
   find_dependency(NGHTTP2)
-  list(APPEND _libs CURL::nghttp2)
+  list(APPEND _curl_libs CURL::nghttp2)
 endif()
 if("@USE_NGHTTP3@")
   find_dependency(NGHTTP3)
-  list(APPEND _libs CURL::nghttp3)
+  list(APPEND _curl_libs CURL::nghttp3)
 endif()
 if("@USE_NGTCP2@")
   find_dependency(NGTCP2)
-  list(APPEND _libs CURL::ngtcp2)
+  list(APPEND _curl_libs CURL::ngtcp2)
 endif()
 if("@USE_GNUTLS@")
   find_dependency(GnuTLS)
-  list(APPEND _libs CURL::gnutls)
+  list(APPEND _curl_libs CURL::gnutls)
   find_dependency(Nettle)
-  list(APPEND _libs CURL::nettle)
+  list(APPEND _curl_libs CURL::nettle)
 endif()
 if("@USE_QUICHE@")
   find_dependency(Quiche)
-  list(APPEND _libs CURL::quiche)
+  list(APPEND _curl_libs CURL::quiche)
 endif()
 if("@USE_RUSTLS@")
   find_dependency(Rustls)
-  list(APPEND _libs CURL::rustls)
+  list(APPEND _curl_libs CURL::rustls)
 endif()
 if("@USE_WOLFSSL@")
   find_dependency(WolfSSL)
-  list(APPEND _libs CURL::wolfssl)
+  list(APPEND _curl_libs CURL::wolfssl)
 endif()
 if("@HAVE_ZSTD@")
   find_dependency(Zstd)
-  list(APPEND _libs CURL::zstd)
+  list(APPEND _curl_libs CURL::zstd)
 endif()
 
 set(CMAKE_MODULE_PATH ${_curl_cmake_module_path_save})
@@ -155,16 +155,16 @@ if(TARGET @PROJECT_NAME@::@LIB_STATIC@)
   if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.17)
     cmake_policy(GET CMP0099 _has_CMP0099)  # https://cmake.org/cmake/help/latest/policy/CMP0099.html
   endif()
-  if(NOT _has_CMP0099 AND CMAKE_VERSION VERSION_GREATER_EQUAL 3.13 AND _libs)
-    set(_libdirs "")
-    foreach(_lib IN LISTS _libs)
-      get_target_property(_libdir "${_lib}" INTERFACE_LINK_DIRECTORIES)
-      if(_libdir)
-        list(APPEND _libdirs "${_libdir}")
+  if(NOT _has_CMP0099 AND CMAKE_VERSION VERSION_GREATER_EQUAL 3.13 AND _curl_libs)
+    set(_curl_libdirs "")
+    foreach(_curl_lib IN LISTS _curl_libs)
+      get_target_property(_curl_libdir "${_curl_lib}" INTERFACE_LINK_DIRECTORIES)
+      if(_curl_libdir)
+        list(APPEND _curl_libdirs "${_curl_libdir}")
       endif()
     endforeach()
-    if(_libdirs)
-      target_link_directories(@PROJECT_NAME@::@LIB_STATIC@ INTERFACE ${_libdirs})
+    if(_curl_libdirs)
+      target_link_directories(@PROJECT_NAME@::@LIB_STATIC@ INTERFACE ${_curl_libdirs})
     endif()
   endif()
 endif()
@@ -178,25 +178,25 @@ set_and_check(CURL_INCLUDE_DIRS "@PACKAGE_CMAKE_INSTALL_INCLUDEDIR@")
 set(CURL_SUPPORTED_PROTOCOLS "@CURL_SUPPORTED_PROTOCOLS_LIST@")
 set(CURL_SUPPORTED_FEATURES "@CURL_SUPPORTED_FEATURES_LIST@")
 
-foreach(_item IN LISTS CURL_SUPPORTED_PROTOCOLS CURL_SUPPORTED_FEATURES)
-  set(CURL_SUPPORTS_${_item} TRUE)
+foreach(_curl_item IN LISTS CURL_SUPPORTED_PROTOCOLS CURL_SUPPORTED_FEATURES)
+  set(CURL_SUPPORTS_${_curl_item} TRUE)
 endforeach()
 
-set(_missing_req "")
-foreach(_item IN LISTS CURL_FIND_COMPONENTS)
-  if(CURL_SUPPORTS_${_item})
-    set(CURL_${_item}_FOUND TRUE)
-  elseif(CURL_FIND_REQUIRED_${_item})
-    list(APPEND _missing_req ${_item})
+set(_curl_missing_req "")
+foreach(_curl_item IN LISTS CURL_FIND_COMPONENTS)
+  if(CURL_SUPPORTS_${_curl_item})
+    set(CURL_${_curl_item}_FOUND TRUE)
+  elseif(CURL_FIND_REQUIRED_${_curl_item})
+    list(APPEND _curl_missing_req ${_curl_item})
   endif()
 endforeach()
 
-if(_missing_req)
-  string(REPLACE ";" " " _missing_req "${_missing_req}")
+if(_curl_missing_req)
+  string(REPLACE ";" " " _curl_missing_req "${_curl_missing_req}")
   if(CURL_FIND_REQUIRED)
-    message(FATAL_ERROR "CURL: missing required components: ${_missing_req}")
+    message(FATAL_ERROR "@PROJECT_NAME@: missing required components: ${_curl_missing_req}")
   endif()
-  unset(_missing_req)
+  unset(_curl_missing_req)
 endif()
 
 check_required_components("@PROJECT_NAME@")

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 5ce288a0a897abd1cf996c427e6e8fd411e8e57c..b9b175a24d06214e567ee1cb04ce1d130362502d 100644 (file)
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -181,17 +181,17 @@ if(BUILD_STATIC_LIBS)
     cmake_policy(GET CMP0099 _has_CMP0099)  # https://cmake.org/cmake/help/latest/policy/CMP0099.html
   endif()
   if(NOT _has_CMP0099 AND CMAKE_VERSION VERSION_GREATER_EQUAL 3.13 AND CURL_LIBS)
-    set(_libdirs "")
-    foreach(_lib IN LISTS CURL_LIBS)
-      if(TARGET "${_lib}")
-        get_target_property(_libdir "${_lib}" INTERFACE_LINK_DIRECTORIES)
-        if(_libdir)
-          list(APPEND _libdirs "${_libdir}")
+    set(_curl_libdirs "")
+    foreach(_curl_lib IN LISTS CURL_LIBS)
+      if(TARGET "${_curl_lib}")
+        get_target_property(_curl_libdir "${_curl_lib}" INTERFACE_LINK_DIRECTORIES)
+        if(_curl_libdir)
+          list(APPEND _curl_libdirs "${_curl_libdir}")
         endif()
       endif()
     endforeach()
-    if(_libdirs)
-      target_link_directories(${LIB_STATIC} INTERFACE ${_libdirs})
+    if(_curl_libdirs)
+      target_link_directories(${LIB_STATIC} INTERFACE ${_curl_libdirs})
     endif()
   endif()
 endif()