qt5base-lts/mkspecs/features/yacc.prf
Oswald Buddenhagen 17519feadd don't override user-provided dependencies for our extra compilers
while the names of the compilers are actually an undocumented internal,
we don't provide an actually working proper way to sequence extra
compiler execution with build-time generated inputs when they are
indirectly listed (as via .qrc files).

Task-number: QTBUG-54299
Change-Id: I269c26512897b72706dc8b769aa47e8157c2a5c5
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2016-06-23 13:25:22 +00:00

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#
# Yacc extra-compiler for handling files specified in the YACCSOURCES variable
#
{
yacc_decl.name = Yacc header
yacc_decl.input = YACCSOURCES
yacc_decl.variable_out = GENERATED_FILES
isEmpty(QMAKE_YACCFLAGS_MANGLE) {
QMAKE_YACCFLAGS_MANGLE = -p ${QMAKE_FILE_BASE} -b ${QMAKE_FILE_BASE}
QMAKE_YACC_HEADER = ${QMAKE_FILE_BASE}.tab.h
QMAKE_YACC_SOURCE = ${QMAKE_FILE_BASE}.tab.c
} else {
QMAKE_YACCFLAGS_MANGLE ~= s/\\$base/${QMAKE_FILE_BASE}/g #backwards compat
QMAKE_YACC_HEADER ~= s/\\$base/${QMAKE_FILE_BASE}/g
QMAKE_YACC_SOURCE ~= s/\\$base/${QMAKE_FILE_BASE}/g
}
QMAKE_YACCDECLFLAGS = $$QMAKE_YACCFLAGS
!yacc_no_name_mangle:QMAKE_YACCDECLFLAGS += $$QMAKE_YACCFLAGS_MANGLE
yacc_decl.commands = \
-$(DEL_FILE) $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_H)} $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_CPP)}$$escape_expand(\\n\\t) \
$$QMAKE_YACC $$QMAKE_YACCDECLFLAGS ${QMAKE_FILE_IN}$$escape_expand(\\n\\t) \
$(MOVE) $${QMAKE_YACC_HEADER} $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_H)}$$escape_expand(\\n\\t) \
$(MOVE) $${QMAKE_YACC_SOURCE} $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_CPP)}$$escape_expand(\\n\\t)
yacc_decl.output = $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_H)}
silent:yacc_decl.commands = @echo Yacc ${QMAKE_FILE_IN} && $$yacc_decl.commands
QMAKE_EXTRA_COMPILERS += yacc_decl
}
{
yacc_impl.name = source for ${QMAKE_FILE_IN}
yacc_impl.input = YACCSOURCES
yacc_impl.variable_out = GENERATED_SOURCES
yacc_impl.commands = $$escape_expand(\\n) # We don't want any commands where, but if command is empty no rules are created
yacc_impl.depends += $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_H)} # Make sure we depend on the step above
yacc_impl.output = $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}$${QMAKE_MOD_YACC}$${first(QMAKE_EXT_CPP)} # Faked output from this step, output really created in step above
QMAKE_EXTRA_COMPILERS += yacc_impl
}