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makefile: remove clang compilation

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Christoph Urlacher
2022-07-27 23:44:02 +02:00
parent 8430c50318
commit b2fa56ac89
1 changed files with 3 additions and 15 deletions
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18
c_os/Makefile
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@ -70,27 +70,15 @@ DELETE = rm
ASM = nasm
CC ?= gcc
CXX ?= g++
# CC = clang
# CXX = clang++
EMPTY :=
GCC = gcc
ifeq ($(CXX),$(GCC))
# Separate these as they are not compatible with clang14
GCCFLAGS = -mmanual-endbr -mpreferred-stack-boundary=2
else
GCCFLAGS = $(EMPTY)
endif
GCCFLAGS ?= -mmanual-endbr -mpreferred-stack-boundary=2
# NOTE: Need -O0 to allow paging/bluescreen to work (We need the ebp on the stack)
# Fortify source needs -O2, at least O1
CFLAGS := $(CFLAGS) -O0 -m32 -march=i486 -Wall -fno-stack-protector -nostdlib -I. -g -ffreestanding -fno-pie -fno-pic -Wno-write-strings -mno-sse -mno-sse2 $(GCCFLAGS)
# NOTE: -std=c++17 for if constexpr and probably some other stuff
# -std=c++20 is needed for template concepts and optional references, but we don't have it available :(
CXXFLAGS := $(CFLAGS) -Wno-non-virtual-dtor -fno-threadsafe-statics -fno-use-cxa-atexit -fno-rtti -fno-exceptions -std=c++17
# -std=c++20 is needed for template concepts and optional references
CXXFLAGS := $(CFLAGS) -Wno-non-virtual-dtor -fno-threadsafe-statics -fno-use-cxa-atexit -fno-rtti -fno-exceptions -std=c++20
BOOT = ../boot
TOOLS = ../tools