Enable VENDORARCH option and PX_PERL_ARCH override

1 files changed, 17 insertions, 11 deletions

diff --git a/bindings/perl/CMakeLists.txt b/bindings/perl/CMakeLists.txt
index 29495bc..983ca86 100644
--- a/bindings/perl/CMakeLists.txt
+++ b/bindings/perl/CMakeLists.txt
@@ -3,17 +3,23 @@ include (FindPerlLibs)
 
 if(PERL_FOUND AND PERLLIBS_FOUND)
 
-  # Some distributions install perl packages in vendor when shipped with the distro.
-  # Let's make their lifes easier by offering an install flag for this usecase.
-  if(PERL_VENDORINSTALL)
-    set (PX_PERL_ARCH ${PERL_VENDORARCH})
-    set (PX_PERL_LIB ${PERL_VENDORLIB})
-  else()
-    # PERL_SITEARCH is actually not defined in latest FindPerlLibs.cmake macros, thus
-    # we have to find the correct path on our own.
-    EXECUTE_PROCESS(COMMAND ${PERL_EXECUTABLE} -MConfig -e "print \$Config{sitearch}"
-      OUTPUT_VARIABLE PX_PERL_ARCH)
-    set (PX_PERL_LIB ${PERL_SITELIB})
+  # Enable override of perl packge install directory.
+  set(PX_PERL_ARCH ${PX_PERL_ARCH} CACHE PATH "Install directory for Perl package.")
+
+  if(NOT PX_PERL_ARCH)
+    # Some distributions install perl packages in vendor when shipped with the distro.
+    # Let's make their lifes easier by offering an install flag for this usecase.
+    option(PERL_VENDORINSTALL "Install Perl package in vendor directory" OFF)
+    if(PERL_VENDORINSTALL)
+      set (PX_PERL_ARCH ${PERL_VENDORARCH})
+      set (PX_PERL_LIB ${PERL_VENDORLIB})
+    else()
+      # PERL_SITEARCH is actually not defined in latest FindPerlLibs.cmake macros, thus
+      # we have to find the correct path on our own.
+      EXECUTE_PROCESS(COMMAND ${PERL_EXECUTABLE} -MConfig -e "print \$Config{sitearch}"
+        OUTPUT_VARIABLE PX_PERL_ARCH)
+      set (PX_PERL_LIB ${PERL_SITELIB})
+    endif()
   endif()
 
   add_subdirectory(lib)