Hi All,
I have set up a Qt application for inclusion in a Yocto build.
I have used some environment variables for passing version information into the
build (using the .pro file) and qmake
When I set the environment variables (GDBVERSIONMAJOR, etc.) on the host side,
and then run Qt Creator, I get the correct compiled output.
This means (to me) that I have correctly formed the .pro file, and all the
remaining dependencies.
When I set the environment variables before running the yocto build, I do not
get the environment variables picked up.
I have added the variables to the bitbake whitelist so:
export BB_ENV_EXTRAWHITE="$BB_ENV_EXTRAWHITE GDBTYPE GDBRELEASE GDBVERSIONMAJOR
GDBVERSIONMINOR GDBVERSIONBUILD"
The variables are set before the bitbake command is issued (as evidenced by
some echo commands in the script I am running):
Listing GDBTYPE, GDBRELEASE, GDBVERSIONMAJOR, GDBVERSIONMINOR, GDBVERSIONBUILD
[branch]
[sgm.gdbMultiPacket]
[0]
[99]
[00012]
The .pro file has the following lines:
<snip>
# for version control
VERSION_MAJOR = $(GDBVERSIONMAJOR)
VERSION_MINOR = $(GDBVERSIONMINOR)
VERSION_BUILD = $(GDBVERSIONBUILD)
# for testing
#message(GDB Version values: $$(GDBVERSIONMAJOR) $$(GDBVERSIONMINOR)
$$(GDBVERSIONBUILD))
#message(GDB Version values: $(GDBVERSIONMAJOR) $(GDBVERSIONMINOR)
$(GDBVERSIONBUILD))
message(GDB Version values (internal): $${VERSION_MAJOR} $${VERSION_MINOR}
$${VERSION_BUILD})
#message(Current directory: $(PWD))
#message(Current directory: $$(PWD))
# This section takes the release Major, Minor, and Build numbers and adds them
to command line Defines for the version.h file to use
GDB_VERSION = -DGDB_VERSION_MAJOR=$${VERSION_MAJOR}
-DGDB_VERSION_MINOR=$${VERSION_MINOR} -DGDB_VERSION_BUILD=$${VERSION_BUILD}
-DCURR_DIR=$$(PWD)
QMAKE_CFLAGS+=$${GDB_VERSION}
QMAKE_CFLAGS_DEBUG+=$${GDB_VERSION}
QMAKE_CXXFLAGS+=$${GDB_VERSION}
</snip>
When I run the bitbake, the command lines used to do the compiles have the
following piece:
-DGDB_VERSION_MAJOR= -DGDB_VERSION_MINOR= -DGDB_VERSION_BUILD=
-DCURR_DIR=/home/user/<full current working dir>.
I also get the following line in the logs:
Project MESSAGE: GDB Version values (internal):
(this was generated by the message line in the .pro file)
It appears that the PWD environment variable is being picked up and used, but
for some strange reason, the GDBVERSIONxxx variables are either not being
picked up, or are missing in the make phase of the processing.
Trying with $$(GDBVERSIONxxx) - picking up the variables in the qmake phase -
gives the same results
Does anybody have any clues on what might be happening here?
Why are the environment variables not being used?
--
Stephen Munnings
Sr. Design Engineer | 519.594.0976
www.nuvation.com
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