qt5base-lts/mkspecs/features/lex.prf
Andy Shaw 5dc421ec87 Restore the missing -P option for lex handling
We don't know why it works, but we've been told that it fixes
some builds and we have no reason to think it will break others.

Task-number: QTBUG-52998
Change-Id: Iacaa1fb3c49e4d7aafd4167e591ff3724489872e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2016-05-10 13:16:37 +00:00

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1.4 KiB
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#
# Lex extra-compiler for handling files specified in the LEXSOURCES variable
#
{
lex.name = Lex ${QMAKE_FILE_IN}
lex.input = LEXSOURCES
lex_included {
lex.CONFIG += no_link
} else {
lex.variable_out = GENERATED_SOURCES
}
isEmpty(QMAKE_LEXFLAGS_MANGLE):QMAKE_LEXFLAGS_MANGLE = -P${QMAKE_FILE_BASE}
QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS
!yacc_no_name_mangle:QMAKE_LEXEXTRAFLAGS += $$QMAKE_LEXFLAGS_MANGLE
contains(QMAKE_LEX, .*flex) {
# GNU flex, we can use -o outfile
lex.commands = $$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS --nounistd -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN}
} else {
# stupid POSIX lex, it only generates a file called lex.yy.c
# or lex.prefix.c if the -P<prefix> option is active
intermediate_file = lex.yy.c
QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS $$QMAKE_LEXFLAGS_MANGLE
lex.commands = \
-$(DEL_FILE) ${QMAKE_FILE_OUT}$$escape_expand(\\n\\t) \
$$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS ${QMAKE_FILE_IN}$$escape_expand(\\n\\t) \
$(MOVE) $$intermediate_file ${QMAKE_FILE_OUT} $$escape_expand(\\n\\t)
unset(intermediate_file)
}
lex.output = $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_LEX}$${first(QMAKE_EXT_CPP)}
silent:lex.commands = @echo Lex ${QMAKE_FILE_IN} && $$lex.commands
QMAKE_EXTRA_COMPILERS += lex
}