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| author | Aqua-sama <aqua@iserlohn-fortress.net> | 2021-03-15 21:07:59 +0200 |
|---|---|---|
| committer | Aqua-sama <aqua@iserlohn-fortress.net> | 2021-03-15 21:07:59 +0200 |
| commit | 8b88f3f7fd143fc542a5118d50a7a981464270d5 (patch) | |
| tree | 86b4ca2b14b3594d3eaa7ff449db72920cad2b70 /toolchain.makefile | |
| parent | Enable ThinLTO (diff) | |
| download | kernel.cpp-8b88f3f7fd143fc542a5118d50a7a981464270d5.tar.xz | |
Fix compile failure without -O2
Linking fails without lto on
Diffstat (limited to 'toolchain.makefile')
| -rw-r--r-- | toolchain.makefile | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/toolchain.makefile b/toolchain.makefile index d8f09f7..ce8fdc6 100644 --- a/toolchain.makefile +++ b/toolchain.makefile @@ -8,13 +8,14 @@ AS := clang AS_FLAGS := LD := ld.lld -LD_FLAGS := -T linker.ld --thinlto-cache-dir=$(OBJ_DIR)/thinlto_cache +LD_FLAGS := -nostdlib -T linker.ld --thinlto-cache-dir=$(OBJ_DIR)/thinlto_cache +# TODO: linking fails with -O0 and -O1 without -flto=thin CXX := clang++ TEST_CXX := clang++ -CXX_FLAGS := -std=c++20 -g \ +CXX_FLAGS := -std=c++20 -g -O2 -flto=thin \ -mkernel -ffreestanding -nostdlib -nostdinc -nostdinc++ \ - -Wall -Wextra -Werror=pedantic -O2 -flto=thin \ + -Wall -Wextra -Werror=pedantic \ -Werror=date-time \ -Werror=shadow-all \ -Wold-style-cast -Wconversion \ |