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Luna/libs/libc/Makefile

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Makefile
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WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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LIBC_DIR := $(LUNA_ROOT)/libs/libc
LIBC_SRC := $(LIBC_DIR)/src
LIBC_OBJ := $(LIBC_DIR)/lib
LIBC_BIN := $(LIBC_DIR)/bin
Update build system
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DESTDIR ?= $(LUNA_BASE)/usr/lib
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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Userspace: Enable dead code stripping
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CFLAGS := -Os -nostdlib -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-omit-frame-pointer -pedantic -Wall -Wextra -Werror -Wfloat-equal -Wdisabled-optimization -Wformat=2 -Winit-self -Wmissing-include-dirs -Wswitch-default -Wcast-qual -Wundef -Wcast-align -Wwrite-strings -Wlogical-op -Wredundant-decls -Wshadow -Wconversion
libc: Enable even more warnings
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CXXFLAGS := -fno-rtti -fno-exceptions -Wsign-promo -Wstrict-null-sentinel -Wctor-dtor-privacy
Update build system
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ASMFLAGS := -felf64
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
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CXX_SRC = $(call rwildcard,$(LIBC_SRC),*.cpp)
C_SRC = $(call rwildcard,$(LIBC_SRC),*.c)
ASM_SRC = $(call rwildcard,$(LIBC_SRC),*.asm)
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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Update build system
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OBJS = $(patsubst $(LIBC_SRC)/%.cpp, $(LIBC_OBJ)/%.cpp.o, $(CXX_SRC))
OBJS += $(patsubst $(LIBC_SRC)/%.c, $(LIBC_OBJ)/%.c.o, $(C_SRC))
OBJS += $(patsubst $(LIBC_SRC)/%.asm, $(LIBC_OBJ)/%.asm.o, $(ASM_SRC))
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_OBJ)/%.cpp.o: $(LIBC_SRC)/%.cpp
@mkdir -p $(@D)
Update build system
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$(CXX) $(CFLAGS) $(CXXFLAGS) -o $@ -c $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_OBJ)/%.c.o: $(LIBC_SRC)/%.c
@mkdir -p $(@D)
Update build system
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$(CC) $(CFLAGS) -o $@ -c $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_OBJ)/%.asm.o: $(LIBC_SRC)/%.asm
@mkdir -p $(@D)
Update build system
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$(ASM) $(ASMFLAGS) -o $@ $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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Update build system
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$(LIBC_BIN)/libc.a: $(OBJS)
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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@mkdir -p $(@D)
Update build system
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$(AR) rcs $@ $(OBJS)
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_BIN)/crt0.o: $(LIBC_DIR)/crt0.asm
@mkdir -p $(@D)
Update build system
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$(ASM) $(ASMFLAGS) -o $@ $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_BIN)/crti.o: $(LIBC_DIR)/crti.asm
@mkdir -p $(@D)
Update build system
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$(ASM) $(ASMFLAGS) -o $@ $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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$(LIBC_BIN)/crtn.o: $(LIBC_DIR)/crtn.asm
@mkdir -p $(@D)
Update build system
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$(ASM) $(ASMFLAGS) -o $@ $^
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
2022-10-01 18:59:22 +00:00
Adjust build system to be more flexible and to work with the new toolchain
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build: $(LIBC_BIN)/crt0.o $(LIBC_BIN)/crti.o $(LIBC_BIN)/crtn.o $(LIBC_BIN)/libc.a
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
2022-10-01 18:59:22 +00:00
Update build system
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$(DESTDIR)/libc.a: $(LIBC_BIN)/libc.a
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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@mkdir -p $(@D)
cp $^ $@
Update build system
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$(DESTDIR)/crt0.o: $(LIBC_BIN)/crt0.o
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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@mkdir -p $(@D)
cp $^ $@
Update build system
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$(DESTDIR)/crti.o: $(LIBC_BIN)/crti.o
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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@mkdir -p $(@D)
cp $^ $@
Update build system
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$(DESTDIR)/crtn.o: $(LIBC_BIN)/crtn.o
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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@mkdir -p $(@D)
cp $^ $@
Update build system
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install: $(DESTDIR)/libc.a $(DESTDIR)/crt0.o $(DESTDIR)/crti.o $(DESTDIR)/crtn.o
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
2022-10-01 18:59:22 +00:00
Adjust build system to be more flexible and to work with the new toolchain
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clean:
WIP: Add a C Library, let's try to compile a Hosted GCC cross-compiler using this!
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rm -rf $(LIBC_OBJ)/*
rm -rf $(LIBC_BIN)/*
Update build system
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rm -f $(DESTDIR)/libc.a
rm -f $(DESTDIR)/crt*.o
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