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Hi
I'm writting a FindGTK+.cmake module which should set the CFLAGS and LDFLAGS
requiered by GTK+ using pkg-config.
I have:
...
IF(NOT __FIND_GTK_FOUND)
MESSAGE( "-- GTK+ version ${__FIND_GTK_VERSION_FOUND} found" )
SET(FIND_GTK_FOUND TRUE)
EXECUTE_PROCESS(COMMAND
${__FIND_GTK_PKG_CONFIG} --cflags ${__FIND_GTK_STRING}
COMMAND xargs printf %s\
OUTPUT_VARIABLE FIND_GTK_CFLAGS
)
EXECUTE_PROCESS(COMMAND
${__FIND_GTK_PKG_CONFIG} --libs ${__FIND_GTK_STRING}
COMMAND xargs printf %s\
OUTPUT_VARIABLE FIND_GTK_LDFLAGS
)
ENDIF(NOT __FIND_GTK_FOUND)
where __FIND_GTK_FOUND is the the exit status of pkg-config
--atleast-version=... --modversion gtk+[-2.0]
The problem is the EXECUTE_PROCESS. If I only write
EXECUTE_PROCESS(COMMAND
${__FIND_GTK_PKG_CONFIG} --cflags ${__FIND_GTK_STRING}
OUTPUT_VARIABLE FIND_GTK_CFLAGS
)
then FIND_GTK_CFLAGS will have a new-line (\n) character at the end of the
string. This is a problem since
SET_SOURCE_FILES_PROPERTIES(containers.c COMPILE_FLAGS ${FIND_GTK_CFLAGS})
leads to an incorrect Makefile. Why on earth
is there a new-line character after all and how can I get rid of it?
EXECUTE_PROCESS(COMMAND
${__FIND_GTK_PKG_CONFIG} --cflags ${__FIND_GTK_STRING}
COMMAND sed -n 1p
doesn't work, I don't know why, I still get two lines. The only way I could get
rid of the new-line is with the
"xargs printf %s\ " command, but I don't like this very much.
How can I solve this problem? Is this pkg-config problem after all?
Regards
Pablo
- --
Pablo Yánez Trujillo
http://klingsor.informatik.uni-freiburg.de/
My public key: http://klingsor.informatik.uni-freiburg.de/gpg/supertux.asc
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