qt5base-lts/mkspecs/features/lex.prf
Andrew Knight 90ef875785 Use QMAKE_MOD_LEX/QMAKE_MOD_YACC in lex/yacc features
These variables were defined but never used in the respective qmake
features. Utilizing them allows more control over the output file name.

Change-Id: I5ba96c5cd330b18dc060f563186992fe3bd27b49
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2015-09-24 13:49:29 +00:00

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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
}
contains(QMAKE_LEX, .*flex) {
# GNU flex, we can use -o outfile
lex.commands = $$QMAKE_LEX $$QMAKE_LEXFLAGS --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
}