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Co-authored-by: Timo Korhonen <timo.korhonen@ess.eu>
Co-authored-by: Andrew Johnson <anj@anl.gov>
Since Make version 4.4, MAKEFLAGS also contains long options and
overridden variables on the command-line[1].
[1]: https://git.savannah.gnu.org/cgit/make.git/tree/NEWS?h=4.4#n67
This means that parsing by filtering out '--%' doesn't work reliably
anymore, since it doesn't remove overrides:
Running 'make VAR=quacks' gives 'MAKEFLAGS=" -- VAR=quacks"', and
'checkflags' would understand that flags -q, -s, ... were set.
This would get transmitted below into 'QUIET_FLAGS' and
'QUESTION_FLAG', then passed to the 'genVersionHeader.pl' as '-i' and
'-q'.
The result would be that 'genVersionHeader.pl' would never create the
version header (only check for its up-to-date status), leading to
confusing errors:
../misc/epicsRelease.c:25:32: error: expected ')' before 'EPICS_VCS_VERSION'
25 | printf ( "## %s\n", "Rev. " EPICS_VCS_VERSION );
| ~ ^~~~~~~~~~~~~~~~~~
The NEWS file[1] recommends using 'firstword', but unfortunately this is
not compatible with GNUMake < 3.82.
Use Linux specific linker trick to allow relocation
of built tree.
relative rpath
use $ORIGIN to reference libraries in other modules
by relative path.
fix rel. RPATH
Prior ECHO definition strips T_A=XXX command line variable definitions
from MAKEFLAGS but doesn't strip other variable definitions such as
INSTALL_LOCATION. As a result, if you "make INSTALL_LOCATION=XXX"
the ECHO definition erroneously matches if your install location
contains 's'. Changing the ECHO definition to MFLAGS avoids
all command line variable definitions.
Added -q (quiet) flag, renamed INSTALL_QUIETLY build variable.
Moved GENVERSION variables into normal locations.
Changed from :: rule to : rule with FORCE dependency.
Removed use of --git-dir, only works when CWD is TOP.
Simplified some parts, more perlish.
Added VCS used to generated output file.
Expanded on the -v (verbose) output.
The following variables are reserved for use from the
GNUmake command line:
CMD_INCLUDES
CMD_CPPFLAGS
CMD_CFLAGS
CMD_CXXFLAGS
CMD_LDFLAGS
CMD_DBFLAGS
CMD_DBDFLAGS
CMD_ARFLAGS
For example:
make CMD_INCLUDES=/opt/local/include CMD_LDFLAGS=-L/opt/local/lib
* Removed broken Windows source browser rules and 'browse' targets
* Fixed parallel build issue for Make > 3.81
* Other tidying-up in RULES_ARCHS
* Fix the RTEMS override of the ECHO variable
Dependency files were not being created for sources that
were only listed in x_SRCS_class variables, because the
code that added those to the x_SRCS var was running after
we had already loaded the dependency files.
Fix a recently introduced problem where cdCommands and envParams
had TOP as a relative path (which actually worked by chance).
Also fixed a problem with convertRelease hanging when the -t
argument matched the absolute path to TOP.
