cmake: use absolute paths for completion targets

Fixing potential:
```
CMake Error at scripts/CMakeLists.txt:72 (install):
  install FILES given directory "/usr/ports/ftp/curl/work/.build/scripts/" to
  install.
```

Reported-by: Daniel Engberg
Fixes #16946
Follow-up to c8b0f0c9ad78eafc6c8f0005113de346ee797c21 #16833
Closes #16954

diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 8c98fbe060726ba8311f84616919548a361d7f2f..1f93ddc81d8477e23249a10d547e2ae65e985db9 100644 (file)
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -29,7 +29,7 @@ if(CURL_COMPLETION_FISH OR
    CURL_COMPLETION_ZSH)
   if(PERL_FOUND)
     if(CURL_COMPLETION_FISH)
-      set(_completion_fish "curl.fish")
+      set(_completion_fish "${CMAKE_CURRENT_BINARY_DIR}/curl.fish")
       add_custom_command(OUTPUT "${_completion_fish}"
         COMMAND "${PERL_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/completion.pl"
           --opts-dir "${PROJECT_SOURCE_DIR}/docs/cmdline-opts" --shell fish > "${_completion_fish}"
@@ -40,7 +40,7 @@ if(CURL_COMPLETION_FISH OR
     endif()
 
     if(CURL_COMPLETION_ZSH)
-      set(_completion_zsh "_curl")
+      set(_completion_zsh "${CMAKE_CURRENT_BINARY_DIR}/_curl")
       add_custom_command(OUTPUT "${_completion_zsh}"
         COMMAND "${PERL_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/completion.pl"
           --opts-dir "${PROJECT_SOURCE_DIR}/docs/cmdline-opts" --shell zsh > "${_completion_zsh}"
@@ -69,12 +69,10 @@ if(CURL_COMPLETION_FISH OR
           endif()
         endif()
         if(CURL_COMPLETION_FISH_DIR)
-          install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${_completion_fish}"
-                  DESTINATION "${CURL_COMPLETION_FISH_DIR}")
+          install(FILES "${_completion_fish}" DESTINATION "${CURL_COMPLETION_FISH_DIR}")
         endif()
         if(CURL_COMPLETION_ZSH_DIR)
-          install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${_completion_zsh}"
-                  DESTINATION "${CURL_COMPLETION_ZSH_DIR}")
+          install(FILES "${_completion_zsh}" DESTINATION "${CURL_COMPLETION_ZSH_DIR}")
         endif()
       else()
         message(STATUS "We cannot install completion scripts when cross-compiling")