Hello!
On Fri, Jan 21, 2005 at 04:43:42AM +0100, Michael Niedermayer wrote:
> On Tuesday 18 January 2005 15:09, Philipp Matthias Hahn wrote:
> > 3. The quotation of "SRC_PATH='$source_path'" with single quotes is
> > wrong in a Makefile, since the single quotes are used verbatim and are
> > not shell meta characters.
>
> and removing them breaks compilation if there are spaces in the path
Yes, you are right. The problem is, SRC_PATH is used in VPATH:
Makefile:VPATH=$(SRC_PATH)
tests/Makefile:VPATH=$(SRC_PATH)/tests
libavcodec/Makefile:VPATH=$(SRC_PATH)/libavcodec
vhook/Makefile:VPATH=$(SRC_PATH)/vhook
libavformat/Makefile:VPATH=$(SRC_PATH)/libavformat
But VPATH can not contain directory names with blanks, since blanks (and
colons) seperate multiple directories from each other:
info Make "General Search"
So you are hosed anyway if you try to build to build outside the source
tree AND the source tree path contains blanks.
http://lists.gnu.org/archive/html/help-make/2003-05/msg00014.html
But also watch the following experiment:
mkdir build;cd build;"$PWD/../configure";make -p | grep SRC_PATH
sed -ie "/SRC_PATH/s/'//g" config.mak;make
make[1]: *** No rule to make target `bitstream.c', needed by `bitstream.o'.
Stop.
SRC_PATH = '/tmp/pmhahn/ffmpeg-0.cvs20050108/build/..'
^ ^
VPATH = $(SRC_PATH)/libavcodec
BYtE
Philipp
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