[Minios-devel] [UNIKRAFT PATCH v3 8/8] build: Show command line variables in help

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

Prints available command line variables with the help target.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 Makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index a605fad4..f6ace2b6 100644
--- a/Makefile
+++ b/Makefile
@@ -997,7 +997,15 @@ help:
        @echo '  savedefconfig          - Save current config to UK_DEFCONFIG 
(minimal config)'
        @echo '  allyesconfig           - New config where all options are 
accepted with yes'
        @echo '  allnoconfig            - New config where all options are 
answered with no'
-       @echo
+       @echo ''
+       @echo 'Command-line variables:'
+       @echo '  V=0|1                  - 0 => quiet build (default), 1 => 
verbose build'
+       @echo '  C=[PATH]               - path to .config configuration file'
+       @echo '  O=[PATH]               - path to build output (will be created 
if it does not exist)'
+       @echo '  A=[PATH]               - path to Unikraft application'
+       @echo '  L=[PATH]:[PATH]:..     - colon-separated list of paths to 
external libraries'
+       @echo '  P=[PATH]:[PATH]:..     - colon-separated list of paths to 
external platforms'
+       @echo ''
        @echo 'Miscellaneous:'
        @echo '  print-version          - print Unikraft version'
        @echo '  print-libs             - print library names enabled for build'
@@ -1005,7 +1013,6 @@ help:
        @echo '  print-objs             - print object file names enabled for 
build'
        @echo '  print-srcs             - print source file names enabled for 
build'
        @echo '  print-vars             - prints all the variables currently 
defined in Makefile'
-       @echo '  make V=0|1             - 0 => quiet build (default), 1 => 
verbose build'
        @echo ''
 
 endif #umask
-- 
2.20.1


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