mirror of
https://git.vladimir.cc/vladimir/libfec.git
synced 2026-08-25 17:27:34 +00:00
238 lines
6.7 KiB
Makefile
238 lines
6.7 KiB
Makefile
# Build libfec on Linux, macOS and on/for 64-bit Windows with MinGW-w64.
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#
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# make build for the host platform
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# make linux build Linux libraries
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# make macos build macOS libraries
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# make windows build Windows libraries (cross-build on Linux/macOS)
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# make static build only the static library
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# make shared build only the shared library
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# make install install libraries, header and man pages
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# make clean remove obj/ and lib/
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ifeq ($(OS),Windows_NT)
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HOST_OS := windows
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else ifeq ($(shell uname -s),Darwin)
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HOST_OS := macos
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else
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HOST_OS := linux
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endif
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BUILD ?= $(HOST_OS)
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prefix ?= /usr/local
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exec_prefix ?= $(prefix)
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libdir ?= $(exec_prefix)/lib
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includedir ?= $(prefix)/include
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mandir ?= $(prefix)/man
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INSTALL ?= install
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OBJROOT := obj
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OUTROOT := lib
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OBJDIR := $(OBJROOT)/$(BUILD)
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OUTDIR := $(OUTROOT)/$(BUILD)
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GENDIR := $(OBJDIR)/generated
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TOOLDIR := $(OBJROOT)/tools/$(HOST_OS)
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# Command-line assignments (for example CC=clang) still take precedence.
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ifeq ($(BUILD),windows)
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ifeq ($(HOST_OS),windows)
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CROSS_PREFIX ?=
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else
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CROSS_PREFIX ?= x86_64-w64-mingw32-
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endif
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ifeq ($(origin CC),default)
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CC := $(CROSS_PREFIX)gcc
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endif
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ifeq ($(origin AR),default)
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AR := $(CROSS_PREFIX)ar
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endif
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ifeq ($(origin RANLIB),undefined)
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RANLIB := $(CROSS_PREFIX)ranlib
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endif
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SHARED_LIB := $(OUTDIR)/libfec.dll
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IMPORT_LIB := $(OUTDIR)/libfec.dll.a
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SHARED_FLAGS := -shared -Wl,--out-implib,$(IMPORT_LIB)
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PIC_CFLAGS :=
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REBIND :=
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else ifeq ($(BUILD),linux)
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ifeq ($(origin CC),default)
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CC := gcc
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endif
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ifeq ($(origin AR),default)
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AR := ar
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endif
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ifeq ($(origin RANLIB),undefined)
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RANLIB := ranlib
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endif
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SHARED_LIB := $(OUTDIR)/libfec.so
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IMPORT_LIB :=
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SHARED_FLAGS := -shared -Wl,-soname,libfec.so
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PIC_CFLAGS := -fPIC
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REBIND := ldconfig
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else ifeq ($(BUILD),macos)
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ifeq ($(origin CC),default)
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CC := cc
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endif
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ifeq ($(origin AR),default)
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AR := ar
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endif
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ifeq ($(origin RANLIB),undefined)
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RANLIB := ranlib
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endif
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SHARED_LIB := $(OUTDIR)/libfec.dylib
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IMPORT_LIB :=
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SHARED_FLAGS := -dynamiclib -install_name libfec.dylib
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PIC_CFLAGS := -fPIC
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REBIND :=
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else
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$(error Unsupported BUILD='$(BUILD)'; use BUILD=linux, BUILD=macos or BUILD=windows)
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endif
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ifeq ($(origin HOSTCC),undefined)
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HOSTCC := gcc
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endif
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CPPFLAGS ?=
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CFLAGS ?= -O2 -Wall -Wno-implicit-int -Wno-implicit-function-declaration -Wno-int-conversion
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LDFLAGS ?=
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LDLIBS ?= -lm
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HOSTCFLAGS ?= -O2
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STATIC_LIB := $(OUTDIR)/libfec.a
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TEST_EXEEXT := $(if $(filter windows,$(BUILD)),.exe)
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INSTALL_LIBS := $(STATIC_LIB) $(SHARED_LIB) $(IMPORT_LIB)
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SOURCES := \
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cpu_mode_generic.c fec.c sim.c \
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viterbi27.c viterbi27_port.c \
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viterbi29.c viterbi29_port.c \
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viterbi615.c viterbi615_port.c \
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encode_rs_char.c encode_rs_int.c encode_rs_8.c \
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decode_rs_char.c decode_rs_int.c decode_rs_8.c \
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init_rs_char.c init_rs_int.c \
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encode_rs_ccsds.c decode_rs_ccsds.c \
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dotprod.c dotprod_port.c \
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peakval.c peakval_port.c \
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sumsq.c sumsq_port.c
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GENERATED_SOURCES := $(GENDIR)/ccsds_tab.c $(GENDIR)/ccsds_tal.c
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OBJECTS := $(addprefix $(OBJDIR)/,$(SOURCES:.c=.o)) \
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$(OBJDIR)/ccsds_tab.o $(OBJDIR)/ccsds_tal.o
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TESTS := vtest27 vtest29 vtest615 rstest dtest sumsq_test peaktest
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TEST_PROGRAMS := $(addprefix $(OUTDIR)/,$(addsuffix $(TEST_EXEEXT),$(TESTS)))
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TEST_OBJECTS := $(addprefix $(OBJDIR)/,$(addsuffix .o,$(TESTS)))
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DEPS := $(OBJECTS:.o=.d) $(TEST_OBJECTS:.o=.d)
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GEN_CCSDS := $(TOOLDIR)/gen_ccsds$(if $(filter windows,$(HOST_OS)),.exe)
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GEN_TAL := $(TOOLDIR)/gen_ccsds_tal$(if $(filter windows,$(HOST_OS)),.exe)
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HOST_GEN_OBJECTS := $(TOOLDIR)/gen_ccsds.o $(TOOLDIR)/init_rs_char.o
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.DEFAULT_GOAL := all
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.SECONDARY: $(TEST_OBJECTS)
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.PHONY: all build linux macos windows static shared install test check-tools clean
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all: build
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build: check-tools static shared
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static: $(STATIC_LIB)
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shared: $(SHARED_LIB)
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install: build
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mkdir -p $(DESTDIR)$(libdir)
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$(INSTALL) -m 644 -p $(INSTALL_LIBS) $(DESTDIR)$(libdir)
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ifneq ($(REBIND),)
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ifneq ($(DESTDIR),)
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@echo "Skipping $(REBIND) for staged install under DESTDIR=$(DESTDIR)"
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else ifeq ($(BUILD),$(HOST_OS))
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$(REBIND)
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else
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@echo "Skipping $(REBIND) for cross install BUILD=$(BUILD)"
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endif
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endif
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mkdir -p $(DESTDIR)$(includedir)
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$(INSTALL) -m 644 -p fec.h $(DESTDIR)$(includedir)
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mkdir -m 0755 -p $(DESTDIR)$(mandir)/man3
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$(INSTALL) -m 644 -p simd-viterbi.3 rs.3 dsp.3 $(DESTDIR)$(mandir)/man3
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ifeq ($(BUILD),$(HOST_OS))
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test: $(TEST_PROGRAMS)
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$(OUTDIR)/vtest27$(TEST_EXEEXT) -e 3.0 -n 1000 -v
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$(OUTDIR)/vtest27$(TEST_EXEEXT)
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$(OUTDIR)/vtest29$(TEST_EXEEXT) -e 2.5 -n 1000 -v
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$(OUTDIR)/vtest29$(TEST_EXEEXT)
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$(OUTDIR)/vtest615$(TEST_EXEEXT) -e 1.0 -n 100 -v
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$(OUTDIR)/vtest615$(TEST_EXEEXT)
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$(OUTDIR)/rstest$(TEST_EXEEXT)
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$(OUTDIR)/dtest$(TEST_EXEEXT)
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$(OUTDIR)/sumsq_test$(TEST_EXEEXT)
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$(OUTDIR)/peaktest$(TEST_EXEEXT)
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else
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test:
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@echo "Error: tests can only run for the host platform ($(HOST_OS)); requested BUILD=$(BUILD)."
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@exit 1
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endif
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# Explicit platform aliases are recursive so their toolchains and paths are
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# resolved with the requested BUILD value from the start.
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linux:
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$(MAKE) BUILD=linux build
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macos:
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$(MAKE) BUILD=macos build
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windows:
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$(MAKE) BUILD=windows build
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check-tools:
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@command -v $(CC) >/dev/null 2>&1 || { \
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echo "Error: compiler '$(CC)' was not found."; \
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echo "For Windows builds install MinGW-w64 or use an MSYS2 MinGW 64-bit shell."; \
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exit 1; \
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}
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@command -v $(HOSTCC) >/dev/null 2>&1 || { \
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echo "Error: host compiler '$(HOSTCC)' was not found."; \
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exit 1; \
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}
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$(STATIC_LIB): $(OBJECTS) | $(OUTDIR)
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$(AR) rcs $@ $^
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$(RANLIB) $@
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$(SHARED_LIB): $(OBJECTS) | $(OUTDIR)
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$(CC) $(SHARED_FLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(OUTDIR)/%$(TEST_EXEEXT): $(OBJDIR)/%.o $(STATIC_LIB) | $(OUTDIR)
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$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(OBJDIR)/%.o: %.c | $(OBJDIR)
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$(CC) $(CPPFLAGS) $(CFLAGS) $(PIC_CFLAGS) -MMD -MP -I. -c -o $@ $<
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$(OBJDIR)/ccsds_tab.o: $(GENDIR)/ccsds_tab.c | $(OBJDIR)
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$(CC) $(CPPFLAGS) $(CFLAGS) $(PIC_CFLAGS) -MMD -MP -I. -c -o $@ $<
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$(OBJDIR)/ccsds_tal.o: $(GENDIR)/ccsds_tal.c | $(OBJDIR)
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$(CC) $(CPPFLAGS) $(CFLAGS) $(PIC_CFLAGS) -MMD -MP -I. -c -o $@ $<
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$(GENDIR)/ccsds_tab.c: $(GEN_CCSDS) | $(GENDIR)
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$(GEN_CCSDS) > $@
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$(GENDIR)/ccsds_tal.c: $(GEN_TAL) | $(GENDIR)
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$(GEN_TAL) > $@
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$(GEN_CCSDS): $(HOST_GEN_OBJECTS) | $(TOOLDIR)
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$(HOSTCC) -o $@ $^
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$(GEN_TAL): gen_ccsds_tal.c | $(TOOLDIR)
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$(HOSTCC) $(HOSTCFLAGS) -I. -o $@ $<
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$(TOOLDIR)/gen_ccsds.o: gen_ccsds.c char.h rs-common.h fec.h | $(TOOLDIR)
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$(HOSTCC) $(HOSTCFLAGS) -I. -c -o $@ $<
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$(TOOLDIR)/init_rs_char.o: init_rs_char.c char.h rs-common.h init_rs.h fec.h | $(TOOLDIR)
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$(HOSTCC) $(HOSTCFLAGS) -I. -c -o $@ $<
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$(OBJDIR) $(OUTDIR) $(GENDIR) $(TOOLDIR):
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mkdir -p $@
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clean:
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-rm -rf $(OBJROOT) $(OUTROOT)
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-include $(DEPS)
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