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https://github.com/Harshit-Dhanwalkar/AsciiCam.git
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Add macos support
This commit is contained in:
Harshit-Dhanwalkar
parent
49b58febba
commit
14cc7dcc2e
10 changed files with 616 additions and 250 deletions
189
C/Makefile
189
C/Makefile
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@ -1,81 +1,156 @@
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CC = gcc
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CFLAGS = -Wall -Wextra -O2 -Iinclude -Ilib
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# AsciiCam cross-platform build
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# Supports:
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# Linux x86_64 (gcc, nolibc, V4L2)
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# macOS ARM64 (clang, system libc, AVFoundation)
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# macOS x86_64 (clang, system libc, AVFoundation)
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UNAME_S := $(shell uname -s)
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UNAME_M := $(shell uname -m)
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ifeq ($(UNAME_S),Linux)
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CFLAGS += -fno-stack-protector -D__LINUX_NOLIBC__
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# LDFLAGS = -lm
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LDFLAGS += -nostdlib # drops crt startup files and default libs
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# LDFLAGS += -nodefaultlibs # drops default libs but keeps crt startup files
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LDFLAGS += -Wl,--no-as-needed
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LDLIBS := -ldl -lpthread -lc
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# LDFLAGS += -Wl,-rpath,/lib/x86_64-linux-gnu
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# LDFLAGS += /lib/x86_64-linux-gnu/libdl.so.2
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LDFLAGS += -Wl,-dynamic-linker,/lib64/ld-linux-x86-64.so.2
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LDFLAGS += /usr/lib/x86_64-linux-gnu/crti.o
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LDFLAGS += /usr/lib/x86_64-linux-gnu/crtn.o
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LDFLAGS += -ldl # Dynamic loading symbols
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LDFLAGS += -lpthread # Multi-threaded capture-render, pthreads producer/consumer
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LDFLAGS += -lc
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LDFLAGS += -msse4.1 # SIMD - SSE2 for the YUYV to gray conversion
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# LDFLAGS += -static
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LIBSRCS = $(wildcard lib/*.c)
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PLATFORM := linux
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CC := gcc
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LD := gcc
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else ifeq ($(UNAME_S),Darwin)
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CFLAGS +=
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LDFLAGS +=
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LDLIBS :=
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LIBSRCS =
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PLATFORM := macos
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CC := clang
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LD := clang
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OBJC := clang
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else
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$(error Unsupported platform: $(UNAME_S))
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endif
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SRCDIR = src
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INCDIR = include
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LIBDIR = lib
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BUILDDIR = build
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OBJDIR = $(BUILDDIR)/obj
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SRCDIR := src
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LIBDIR := lib
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FILTERDIR := filters
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BUILDDIR := build
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OBJDIR := $(BUILDDIR)/obj
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LIBSRCS = $(wildcard $(LIBDIR)/*.c)
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SOURCES = $(wildcard $(SRCDIR)/*.c) $(LIBSRCS)
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OBJECTS = $(patsubst $(SRCDIR)/%.c,$(OBJDIR)/%.o,$(SOURCES))
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TARGET = $(BUILDDIR)/webcam_ascii
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PLUGIN_SRCS = $(wildcard filters/*.c)
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PLUGIN_C_SRCS = $(filter-out filters/%.h, $(PLUGIN_SRCS))
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PLUGIN_TARGETS = $(patsubst filters/%.c,$(BUILDDIR)/%.so,$(PLUGIN_C_SRCS))
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CFLAGS_COMMON := -Wall -Wextra -O2 -Iinclude -I$(LIBDIR) -fno-stack-protector -fno-builtin-memcpy -fno-builtin-memset -fno-builtin-strlen
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CFLAGS_COMMON +=
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# Security Testing Targets
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TEST_TARGET = $(BUILDDIR)/security_tests
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TEST_SRC = ../tests/security_tests.c
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FILTER_SRCS = filters/edge_detect.c filters/invert.c filters/threshold.c
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ifeq ($(PLATFORM),linux)
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# Linux: nolibc, V4L2, SSE4.1
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CFLAGS := $(CFLAGS_COMMON) -DPLATFORM_LINUX -D__LINUX_NOLIBC__
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CFLAGS += -msse4.1
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.PHONY: all clean plugins test
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LDFLAGS := -nostdlib
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LDFLAGS += -Wl,--no-as-needed
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LDFLAGS += -Wl,-dynamic-linker,/lib64/ld-linux-x86-64.so.2
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LDFLAGS += $(shell $(CC) --print-file-name=crti.o)
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LDFLAGS += $(shell $(CC) --print-file-name=crtn.o)
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LDFLAGS += -L/usr/lib/x86_64-linux-gnu # TEST: Explicit library paths
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# LDFLAGS += -Wl,-rpath-link=/usr/lib/x86_64-linux-gnu
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LDFLAGS += -ldl -lpthread -lc
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# LDFLAGS += -ldl -lpthread
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LDFLAGS += -msse4.1
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LIBSRCS := $(LIBDIR)/nl_alloc.c \
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$(LIBDIR)/nl_errno.c \
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$(LIBDIR)/nl_getopt.c \
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$(LIBDIR)/nl_printf.c \
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$(LIBDIR)/nl_start.c
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PLAT_SRC := $(SRCDIR)/capture_linux.c
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# Plugin shared objects
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SO_EXT := so
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SO_FLAGS := -fPIC -shared
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else ifeq ($(PLATFORM),macos)
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# macOS: system libc + AVFoundation, supports ARM64 + x86_64
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CFLAGS := $(CFLAGS_COMMON) -DPLATFORM_MACOS
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OBJCFLAGS:= $(CFLAGS) -x objective-c \
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-fobjc-arc \
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-fmodules
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ifeq ($(UNAME_M),arm64)
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CFLAGS += -arch arm64
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LDFLAGS := -arch arm64
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else
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CFLAGS += -arch x86_64 -msse4.1
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LDFLAGS := -arch x86_64
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endif
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LDFLAGS += -framework AVFoundation \
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-framework CoreMedia \
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-framework CoreVideo \
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-framework Foundation \
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-lpthread
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# TODO: Update nolibc for macos support instead of system system libc, currently :
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# No nolibc on macOS, uses system libc
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LIBSRCS :=
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PLAT_SRC := $(SRCDIR)/capture_macos.m
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# Plugin shared objects
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SO_EXT := dylib
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SO_FLAGS := -dynamiclib
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endif
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CORE_SRCS := $(SRCDIR)/ascii.c \
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$(SRCDIR)/main.c \
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$(SRCDIR)/plugins.c \
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$(SRCDIR)/thread_sharing.c \
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$(SRCDIR)/timing.c
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ALL_C_SRCS := $(CORE_SRCS) $(PLAT_SRC) $(LIBSRCS)
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OBJECTS := $(patsubst $(SRCDIR)/%.c, $(OBJDIR)/%.o, $(CORE_SRCS))
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OBJECTS += $(patsubst $(SRCDIR)/%.c, $(OBJDIR)/%.o, $(filter $(SRCDIR)/%.c, $(PLAT_SRC)))
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OBJECTS += $(patsubst $(SRCDIR)/%.m, $(OBJDIR)/%.o, $(filter $(SRCDIR)/%.m, $(PLAT_SRC)))
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OBJECTS += $(patsubst $(LIBDIR)/%.c, $(OBJDIR)/lib_%.o, $(LIBSRCS))
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TARGET := $(BUILDDIR)/webcam_ascii
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# Plugins
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PLUGIN_SRCS := $(wildcard $(FILTERDIR)/*.c)
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PLUGIN_TARGETS := $(patsubst $(FILTERDIR)/%.c, $(BUILDDIR)/%.$(SO_EXT), $(PLUGIN_SRCS))
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.PHONY: all clean plugins info
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all: $(TARGET) plugins
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# Main binary
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$(TARGET): $(OBJECTS)
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$(CC) $^ -o $@ $(LDFLAGS)
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$(TARGET): $(OBJECTS) | $(BUILDDIR)
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$(LD) $^ -o $@ $(LDFLAGS)
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@echo " LD $@ ($(PLATFORM)/$(UNAME_M))"
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# Compile .c
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$(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR)
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$(CC) $(CFLAGS) -c $< -o $@
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# Compile .m (Objective-C for macOS capture)
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$(OBJDIR)/%.o: $(SRCDIR)/%.m | $(OBJDIR)
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$(OBJC) $(OBJCFLAGS) -c $< -o $@
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# Compile nolibc (Linux only)
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$(OBJDIR)/lib_%.o: $(LIBDIR)/%.c | $(OBJDIR)
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$(CC) $(CFLAGS) -c $< -o $@
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# Plugins
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plugins: $(PLUGIN_TARGETS)
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$(BUILDDIR)/%.$(SO_EXT): $(FILTERDIR)/%.c | $(BUILDDIR)
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ifeq ($(PLATFORM),linux)
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$(CC) $(CFLAGS) $(SO_FLAGS) $< -o $@.tmp && mv $@.tmp $@
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else
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$(CC) $(CFLAGS) $(SO_FLAGS) $< -o $@ \
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-undefined dynamic_lookup
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endif
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$(OBJDIR):
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mkdir -p $(OBJDIR)
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# Plugins compilation
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plugins: $(PLUGIN_TARGETS)
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$(BUILDDIR)/%.so: filters/%.c | $(BUILDDIR)
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$(CC) $(CFLAGS) -fPIC -shared $< -o $@.tmp
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mv $@.tmp $@
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# Automated Unit Tests Execution
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test: $(BUILDDIR)
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$(CC) -I.. $(CFLAGS) -DTESTING $(TEST_SRC) $(FILTER_SRCS) -o $(TEST_TARGET) -lcheck -lsubunit -lm -lrt -lpthread
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@echo " RUNNING ALL PLUGINS INVARIANT TEST "
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./$(TEST_TARGET)
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$(BUILDDIR):
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mkdir -p $(BUILDDIR)
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# Cleanup
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clean:
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rm -rf $(BUILDDIR)
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info:
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@echo "Platform : $(PLATFORM)"
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@echo "Arch : $(UNAME_M)"
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@echo "CC : $(CC)"
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@echo "CFLAGS : $(CFLAGS)"
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@echo "LDFLAGS : $(LDFLAGS)"
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@echo "Objects : $(OBJECTS)"
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