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prefix ?= /usr/
prefix := $(abspath $(prefix))/
libdir ?= $(prefix)lib64/
libdatadir ?= $(prefix)lib/
libexecdir ?= $(prefix)libexec/
datadir ?= $(prefix)share/
mandir ?= $(datadir)man/
includedir ?= $(prefix)include/
bindir ?= $(prefix)bin/
pcdir ?= $(libdir)pkgconfig/
docdir ?= $(prefix)share/doc/
DESTDIR ?=
INSTALLROOT = $(DESTDIR)
INSTALL ?= install
CROSS_COMPILE ?= $(bindir)
PKG_CONFIG = $(CROSS_COMPILE)pkg-config
CC := $(if $(filter default,$(origin CC)),$(CROSS_COMPILE)gcc,$(CC))
CCLD := $(if $(filter undefined,$(origin CCLD)),$(CC),$(CCLD))
CFLAGS ?= -O0 -g3 -fvar-tracking -fvar-tracking-assignments \
-Wall -Werror -Wextra
AS := $(CROSS_COMPILE)as
AR := $(CROSS_COMPILE)gcc-ar
RANLIB := $(CROSS_COMPILE)gcc-ranlib
OBJCOPY := $(CROSS_COMPILE)objcopy
LD := $(CROSS_COMPILE)ld
INSTALL := $(CROSS_COMPILE)install
PKGS =
HOSTARCH = $(shell uname -m | sed s,i[3456789]86,ia32,)
ARCH := $(shell uname -m | sed s,i[3456789]86,ia32,)
SOFLAGS = -shared
clang_cflags =
gcc_cflags = -Wmaybe-uninitialized
cflags = $(CFLAGS) $(ARCH3264) \
-Wall -Werror -Wno-cpp -Wsign-compare -Wno-unused-result \
-Wno-unused-function\
-std=gnu11 -fshort-wchar -fPIC -flto -fno-strict-aliasing \
-fno-merge-constants -fkeep-inline-functions \
-D_GNU_SOURCE -DCONFIG_$(ARCH) -I${TOPDIR}/include \
$(if $(filter $(CC),clang),$(clang_cflags), ) \
$(if $(filter $(CC),gcc),$(gcc_cflags), ) \
$(call pkg-config-cflags) -Werror
clang_ccldflags =
gcc_ccldflags = -fno-merge-constants \
-Wl,--fatal-warnings,--no-allow-shlib-undefined,--default-symver \
-Wl,-O2 -Wl,--no-undefined-version -Wl,-z,relro,-z,now \
--Wl,--no-add-needed,--no-copy-dt-needed-entries,--as-needed
ccldflags = $(cflags) $(CCLDFLAGS) $(LDFLAGS) \
$(if $(filter $(CCLD),clang),$(clang_ccldflags),) \
$(if $(filter $(CCLD),gcc),$(gcc_ccldflags),) \
$(call pkg-config-ccldflags)
efi_cflags = $(cflags)
ASFLAGS = $(ARCH3264)
CPPFLAGS ?=
LDLIBS = $(foreach lib,$(LIBS),-l$(lib)) $(call pkg-config-ldlibs)
ifeq ($(ARCH),ia64)
efi_cflags += -mfixed-range=f32-f127
endif
ifeq ($(ARCH), ia32)
ifeq ($(HOSTARCH), x86_64)
ARCH3264 := -m32
endif
endif
ifeq ($(ARCH), x86_64)
efi_cflags += -mno-red-zone
ifeq ($(HOSTARCH), ia32)
ARCH3264 := -m64
endif
endif
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