[Bug]macOS上构建失败，F_SETPIPE_SZ未定义

[dongbeiouba]

master分支代码编译错误：

/opt/homebrew/opt/llvm/bin/clang -c -pipe  -O -Wall -Wextra -Wpointer-arith -Wconditional-uninitialized -Wno-unused-parameter -Wno-deprecated-declarations -Werror -g  -I src/core -I src/event -I src/event/modules -I src/os/unix -I src/proc -I /opt/homebrew/Cellar/pcre2/10.44/include -I ../../Tongsuo-Project/Tongsuo/.openssl/include -I objs \
		-o objs/src/os/unix/ngx_pipe.o \
		src/os/unix/ngx_pipe.c
src/os/unix/ngx_pipe.c:443:31: error: use of undeclared identifier 'F_SETPIPE_SZ'
  443 |         if (fcntl(op->pfd[1], F_SETPIPE_SZ, ccf->pipe_size) == -1) {
      |                               ^
1 error generated.
make[1]: *** [objs/src/os/unix/ngx_pipe.o] Error 1
make: *** [build] Error 2

系统：macOS Sonoma 14.4
芯片：Apple M2 Pro
内核：Darwin Kernel Version 23.4.0

复现：

./configure --with-cc-opt="-I/opt/homebrew/opt/openssl@3/include" --with-ld-opt="-L/opt/homebrew/opt/openssl@3/lib -Wl,-rpath /opt/homebrew/opt/openssl@3/lib"

make -j1

[drawing]

仅在 linux 系统下启用此功能，已合并 #1994