diff options
| author | fanquake <fanquake@gmail.com> | 2019-10-09 17:30:30 -0400 |
|---|---|---|
| committer | fanquake <fanquake@gmail.com> | 2019-10-09 17:48:36 -0400 |
| commit | bc7e721d97dc5b9f46df2a46e8101f3b6ce278fe (patch) | |
| tree | fac0ca8c77ef5589adaacdfdf5164256019f4198 | |
| parent | 42d0eca725a83c999e2b67e33dfc7bcc96288dc3 (diff) | |
| parent | 181989f6c9427fc266dbdcc84cb60ac03e67cdb2 (diff) | |
Merge #17087: build: Add variable printing target to Makefiles
181989f6c9427fc266dbdcc84cb60ac03e67cdb2 build: Add variable printing target to Makefiles (Carl Dong)
Pull request description:
```
I kept finding myself needing these to debug our build system, since
they are innocuous and are very helpful they probably belong in the
codebase.
Source: John Graham-Cumming
https://www.cmcrossroads.com/article/printing-value-makefile-variable
```
ACKs for top commit:
MarcoFalke:
ACK 181989f6c9427fc266dbdcc84cb60ac03e67cdb2
fanquake:
ACK 181989f6c9427fc266dbdcc84cb60ac03e67cdb2 - concise amount of useful code. Tested on macOS. Did not visit the link.
Tree-SHA512: 2139621e68a499c7347663ca9dc04e166ea6280e05986c27858df0156016ef2f9461262464d70c601419384f43a4ae3bcc67dfc0a05dbeef64f08386ab429cd8
| -rw-r--r-- | Makefile.am | 4 | ||||
| -rw-r--r-- | depends/Makefile | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 8b1e2a6b5b..49a20b7614 100644 --- a/Makefile.am +++ b/Makefile.am @@ -2,6 +2,10 @@ # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. +# Pattern rule to print variables, e.g. make print-top_srcdir +print-%: + @echo $* = $($*) + ACLOCAL_AMFLAGS = -I build-aux/m4 SUBDIRS = src if ENABLE_MAN diff --git a/depends/Makefile b/depends/Makefile index b7e9a9213e..25ff135ea6 100644 --- a/depends/Makefile +++ b/depends/Makefile @@ -1,5 +1,9 @@ .NOTPARALLEL : +# Pattern rule to print variables, e.g. make print-top_srcdir +print-%: + @echo $* = $($*) + SOURCES_PATH ?= $(BASEDIR)/sources WORK_PATH = $(BASEDIR)/work BASE_CACHE ?= $(BASEDIR)/built |