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Get repository to build with GCC 11

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See #594
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Justine Tunney 2022-09-13 04:14:20 -07:00
parent 446a1f7c5a
commit 06f9a5b627
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README.md
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@ -27,7 +27,7 @@ wget https://justine.lol/cosmopolitan/cosmopolitan-amalgamation-2.0.1.zip
unzip cosmopolitan-amalgamation-2.0.1.zip
printf 'main() { printf("hello world\\n"); }\n' >hello.c
gcc -g -Os -static -nostdlib -nostdinc -fno-pie -no-pie -mno-red-zone \
-fno-omit-frame-pointer -pg -mnop-mcount -mno-tls-direct-seg-refs \
-fno-omit-frame-pointer -pg -mnop-mcount -mno-tls-direct-seg-refs -gdwarf-4 \
-o hello.com.dbg hello.c -fuse-ld=bfd -Wl,-T,ape.lds -Wl,--gc-sections \
-include cosmopolitan.h crt.o ape-no-modify-self.o cosmopolitan.a
objcopy -S -O binary hello.com.dbg hello.com
@ -100,7 +100,7 @@ heavyweight features like tracing to your binaries by default. In that
case, you may want to consider using our build system:
```sh
make -j8 MODE=tiny
make m=tiny
```
Which will cause programs such as `hello.com` and `life.com` to shrink
@ -155,7 +155,7 @@ cd cosmopolitan
This will build the entire repository and run all the tests:
```sh
build/bootstrap/make.com -j16
build/bootstrap/make.com
o//examples/hello.com
find o -name \*.com | xargs ls -rShal | less
```
@ -174,7 +174,7 @@ having minimal deterministic builds. For example, if you wanted to build
only hello.com then you could do that as follows:
```sh
build/bootstrap/make.com -j16 o//examples/hello.com
build/bootstrap/make.com o//examples/hello.com
```
Sometimes it's desirable to build a subset of targets, without having to
@ -183,7 +183,7 @@ directory name. For example, if you wanted to build only the targets and
subtargets of the chibicc package including its tests, you would say:
```sh
build/bootstrap/make.com -j16 o//third_party/chibicc
build/bootstrap/make.com o//third_party/chibicc
o//third_party/chibicc/chibicc.com --help
```
@ -191,18 +191,19 @@ Cosmopolitan provides a variety of build modes. For example, if you want
really tiny binaries (as small as 12kb in size) then you'd say:
```sh
build/bootstrap/make.com -j16 MODE=tiny
build/bootstrap/make.com m=tiny
```
Here's some other build modes you can try:
```sh
build/bootstrap/make.com -j16 MODE=dbg # asan + ubsan + debug
build/bootstrap/make.com -j16 MODE=asan # production memory safety
build/bootstrap/make.com -j16 MODE=opt # -march=native optimizations
build/bootstrap/make.com -j16 MODE=rel # traditional release binaries
build/bootstrap/make.com -j16 MODE=optlinux # optimal linux-only performance
build/bootstrap/make.com -j16 MODE=tinylinux # tiniest linux-only 4kb binaries
build/bootstrap/make.com m=dbg # asan + ubsan + debug
build/bootstrap/make.com m=asan # production memory safety
build/bootstrap/make.com m=opt # -march=native optimizations
build/bootstrap/make.com m=rel # traditional release binaries
build/bootstrap/make.com m=optlinux # optimal linux-only performance
build/bootstrap/make.com m=fastbuild # build 28% faster w/o debugging
build/bootstrap/make.com m=tinylinux # tiniest linux-only 4kb binaries
```
For further details, see [//build/config.mk](build/config.mk).