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| -rw-r--r-- | Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -167,7 +167,7 @@ lint: check-single-includes clint testlint lualint checkprefix: @cached_prefix=$$($(CMAKE_PRG) -L -N build | 2>/dev/null grep 'CMAKE_INSTALL_PREFIX' | cut -d '=' -f2); \ - if [ -n "$(CMAKE_INSTALL_PREFIX)" ] && ! [ "$(CMAKE_INSTALL_PREFIX)" = "$$cached_prefix" ]; then \ + if [ -n "$(CMAKE_INSTALL_PREFIX)" ] && [ -n "$$cached_prefix" ] && ! [ "$(CMAKE_INSTALL_PREFIX)" = "$$cached_prefix" ]; then \ printf "\nerror: CMAKE_INSTALL_PREFIX '$(CMAKE_INSTALL_PREFIX)' does not match cached value '%s'\n" "$$cached_prefix"; \ printf " Run this command, then try again:\n"; \ printf " cmake build -DCMAKE_INSTALL_PREFIX=$(CMAKE_INSTALL_PREFIX)\n"; \ |