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# Copyright, the authors of the Linux man-pages project
# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPP_CPP_INCLUDED
MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPP_CPP_INCLUDED := 1
include $(MAKEFILEDIR)/configure/build-depends/coreutils/echo.mk
include $(MAKEFILEDIR)/configure/build-depends/gcc/cc.mk
include $(MAKEFILEDIR)/configure/build-depends/grep/grep.mk
include $(MAKEFILEDIR)/configure/build-depends/pkgconf/pkgconf.mk
include $(MAKEFILEDIR)/configure/verbose.mk
ifndef CPP
CPP := $(CC) $(CFLAGS_) -E
endif
CPP_HAS_ALREADY_D_FORTIFY_SOURCE := \
$(shell \
$(CPP) -dM - -Wno-error </dev/null \
| $(GREP) ''\#'define _FORTIFY_SOURCE ' >/dev/null \
&& $(ECHO) yes \
|| $(ECHO) no; \
)
DEFAULT_CPPFLAGS := \
$(shell $(PKGCONF_CMD) --cflags $(PKGCONF_LIBS) $(HIDE_ERR))
ifeq ($(CPP_HAS_ALREADY_D_FORTIFY_SOURCE),no)
DEFAULT_CPPFLAGS += -D_FORTIFY_SOURCE=2
endif
ifndef CPPFLAGS
CPPFLAGS :=
endif
ifndef CPPFLAGS_
CPPFLAGS_ := $(DEFAULT_CPPFLAGS) $(CPPFLAGS)
endif
endif # include guard
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