···12 # CMake install location
13 "${_CMAKE_INSTALL_DIR}"
14 )
15-@@ -47,48 +44,48 @@ endif()
1617 # Non "standard" but common install prefixes
18 list(APPEND CMAKE_SYSTEM_PREFIX_PATH
···22 )
2324 # List common include file locations not under the common prefixes.
25-+if(IS_DIRECTORY $ENV{NIX_CC}
26-+ AND EXISTS $ENV{NIX_CC}/nix-support/orig-libc
27-+ AND EXISTS $ENV{NIX_CC}/nix-support/orig-libc-dev)
028+ file(STRINGS "$ENV{NIX_CC}/nix-support/orig-libc" _nix_cmake_libc)
29+ file(STRINGS "$ENV{NIX_CC}/nix-support/orig-libc-dev" _nix_cmake_libc_dev)
30+else()
···12 # CMake install location
13 "${_CMAKE_INSTALL_DIR}"
14 )
15+@@ -47,48 +44,49 @@ endif()
1617 # Non "standard" but common install prefixes
18 list(APPEND CMAKE_SYSTEM_PREFIX_PATH
···22 )
2324 # List common include file locations not under the common prefixes.
25++if(DEFINED ENV{NIX_CC}
26++ AND IS_DIRECTORY "$ENV{NIX_CC}"
27++ AND EXISTS "$ENV{NIX_CC}/nix-support/orig-libc"
28++ AND EXISTS "$ENV{NIX_CC}/nix-support/orig-libc-dev")
29+ file(STRINGS "$ENV{NIX_CC}/nix-support/orig-libc" _nix_cmake_libc)
30+ file(STRINGS "$ENV{NIX_CC}/nix-support/orig-libc-dev" _nix_cmake_libc_dev)
31+else()