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#
# Lex extra-compiler for handling files specified in the LEXSOURCES variable
#
isEmpty(LEX_DIR): LEX_DIR = .
defineReplace(lexCommands) {
input = $$relative_path($$absolute_path($$1, $$OUT_PWD), $$OUT_PWD/$$LEX_DIR)
output = $$basename(2)
input_base = $$basename(1)
input_base ~= s/\.[^.]*$//
isEmpty(QMAKE_LEXFLAGS_MANGLE): QMAKE_LEXFLAGS_MANGLE = -P$${input_base}
QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS
!yacc_no_name_mangle: QMAKE_LEXEXTRAFLAGS += $$QMAKE_LEXFLAGS_MANGLE
contains(QMAKE_LEX, .*flex) {
# GNU flex, we can use -o outfile
commands = $$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS --nounistd -o $$output $$input
} else {
# stupid POSIX lex, it only generates a file called lex.yy.c
# or lex.prefix.c if the -P<prefix> option is active
intermediate_file = lex.yy.c
QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS $$QMAKE_LEXFLAGS_MANGLE
commands = \
-$(DEL_FILE) $${output}$$escape_expand(\\n\\t) \
$$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS $${input}$$escape_expand(\\n\\t) \
$(MOVE) $$intermediate_file $$output $$escape_expand(\\n\\t)
}
!equals(LEX_DIR, .): \
commands = cd $$LEX_DIR && $$commands
silent: commands = @echo Lex $$1 && $$commands
return($$commands)
}
{
lex.name = Lex ${QMAKE_FILE_IN}
lex.input = LEXSOURCES
lex.dependency_type = TYPE_C
lex_included {
lex.CONFIG += no_link
} else {
lex.variable_out = GENERATED_SOURCES
}
lex.commands = ${QMAKE_FUNC_lexCommands}
lex.output = $$LEX_DIR/$${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_LEX}$${first(QMAKE_EXT_CPP)}
QMAKE_EXTRA_COMPILERS += lex
}
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