| # This Makefile snippet defines the following variables: |
| # |
| # CFLAGS: flags for the C compiler |
| # CPPFLAGS: flags for the C preprocessor |
| # CXXFLAGS: flags for the C++ compiler |
| # FFLAGS: flags for the Fortran compiler |
| # LDFLAGS: flags for the linker |
| # |
| # You can also export them in the environment by setting |
| # DPKG_EXPORT_BUILDFLAGS to a non-empty value. |
| # |
| # This list is kept in sync with the default set of flags returned |
| # by dpkg-buildflags. |
| |
| dpkg_late_eval ?= $(or $(value DPKG_CACHE_$(1)),$(eval DPKG_CACHE_$(1) := $(shell $(2)))$(value DPKG_CACHE_$(1))) |
| |
| DPKG_BUILDFLAGS_LIST = CFLAGS CPPFLAGS CXXFLAGS FFLAGS LDFLAGS |
| |
| define dpkg_buildflags_export_envvar |
| ifdef $(1) |
| DPKG_BUILDFLAGS_EXPORT_ENVVAR += $(1)="$(value $(1))" |
| endif |
| endef |
| |
| $(eval $(call dpkg_buildflags_export_envvar,DEB_BUILD_MAINT_OPTIONS)) |
| $(foreach flag,$(DPKG_BUILDFLAGS_LIST),\ |
| $(foreach operation,SET STRIP APPEND PREPEND,\ |
| $(eval $(call dpkg_buildflags_export_envvar,DEB_$(flag)_MAINT_$(operation))))) |
| |
| dpkg_buildflags_setvar = $(1) = $(call dpkg_late_eval,$(1),$(DPKG_BUILDFLAGS_EXPORT_ENVVAR) dpkg-buildflags --get $(1)) |
| |
| $(foreach flag,$(DPKG_BUILDFLAGS_LIST),\ |
| $(eval $(call dpkg_buildflags_setvar,$(flag)))) |
| |
| ifdef DPKG_EXPORT_BUILDFLAGS |
| export $(DPKG_BUILDFLAGS_LIST) |
| endif |