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Update env-vars docs

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crazywhalecc
2024-10-03 14:53:25 +08:00
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docs/en/guide/env-vars.md
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# Environment variables
All environment variables mentioned in the list on this page have default values unless otherwise noted.
You can override the default values by setting these environment variables.
## Environment variables list
Starting from version 2.3.5, we have centralized the environment variables in the `config/env.ini` file.
You can set environment variables by modifying this file.
We divide the environment variables supported by static-php-cli into three types:
- Global internal environment variables: declared after static-php-cli starts, you can use `getenv()` to get them internally in static-php-cli, and you can override them before starting static-php-cli.
- Fixed environment variables: declared after static-php-cli starts, you can only use `getenv()` to get them, but you cannot override them through shell scripts.
- Config file environment variables: declared before static-php-cli build, you can set these environment variables by modifying the `config/env.ini` file or through shell scripts.
You can read the comments for each parameter in [config/env.ini](https://github.com/crazywhalecc/static-php-cli/blob/main/config/env.ini) to understand its purpose.
## Custom environment variables
Generally, you don't need to modify any of the following environment variables as they are already set to optimal values.
However, if you have special needs, you can set these environment variables to meet your needs
(for example, you need to debug PHP performance under different compilation parameters).
@@ -22,94 +33,13 @@ bin/spc build mbstring,pcntl --build-cli
SPC_CONCURRENCY=4 bin/spc build mbstring,pcntl --build-cli
```
## General environment variables
Or, if you need to modify an environment variable for a long time, you can modify the `config/env.ini` file.
General environment variables can be used by all build targets.
`config/env.ini` is divided into three sections, `[global]` is globally effective, `[windows]`, `[macos]`, `[linux]` are only effective for the corresponding operating system.
| var name | default value | comment |
|------------------------------|---------------------------|-------------------------------------------------|
| `BUILD_ROOT_PATH` | `{pwd}/buildroot` | The root directory of the build target |
| `BUILD_LIB_PATH` | `{pwd}/buildroot/lib` | The root directory of compilation libraries |
| `BUILD_INCLUDE_PATH` | `{pwd}/buildroot/include` | Header file directory for compiling libraries |
| `BUILD_BIN_PATH` | `{pwd}/buildroot/bin` | Compiled binary file directory |
| `PKG_ROOT_PATH` | `{pwd}/pkgroot` | Directory where precompiled tools are installed |
| `SOURCE_PATH` | `{pwd}/source` | The source code extract directory |
| `DOWNLOAD_PATH` | `{pwd}/downloads` | Downloaded file directory |
| `SPC_CONCURRENCY` | Depends on CPU cores | Number of parallel compilations |
| `SPC_SKIP_PHP_VERSION_CHECK` | empty | Skip PHP version check when set to `yes` |
For example, if you need to modify the `./configure` command for compiling PHP, you can find the `SPC_CMD_PREFIX_PHP_CONFIGURE` environment variable in the `config/env.ini` file, and then modify its value.
## OS specific variables
These environment variables are system-specific and will only take effect on a specific OS.
### Windows
| var name | default value | comment |
|---------------------|-----------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|
| `PHP_SDK_PATH` | `{pwd}\php-sdk-binary-tools` | PHP SDK tools path |
| `UPX_EXEC` | `$PKG_ROOT_PATH\bin\upx.exe` | UPX compression tool path |
| `SPC_MICRO_PATCHES` | `static_extensions_win32,cli_checks,disable_huge_page,vcruntime140,win32,zend_stream,cli_static` | Used phpmicro [patches](https://github.com/easysoft/phpmicro/blob/master/patches/Readme.md) |
### macOS
| var name | default value | comment |
|--------------------------------------|--------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|
| `CC` | `clang` | C Compiler |
| `CXX` | `clang++` | C++ Compiler |
| `SPC_DEFAULT_C_FLAGS` | `--target=arm64-apple-darwin` or `--target=x86_64-apple-darwin` | Default C flags (not the same as `CFLAGS`) |
| `SPC_DEFAULT_CXX_FLAGS` | `--target=arm64-apple-darwin` or `--target=x86_64-apple-darwin` | Default C flags (not the same as `CPPFLAGS`) |
| `SPC_CMD_PREFIX_PHP_BUILDCONF` | `./buildconf --force` | PHP `buildconf` command prefix |
| `SPC_CMD_PREFIX_PHP_CONFIGURE` | `./configure --prefix= --with-valgrind=no --enable-shared=no --enable-static=yes --disable-all --disable-cgi --disable-phpdbg` | PHP `configure` command prefix |
| `SPC_CMD_PREFIX_PHP_MAKE` | `make -j$SPC_CONCURRENCY` | PHP `make` command prefix |
| `SPC_CMD_VAR_PHP_CONFIGURE_CFLAGS` | `$SPC_DEFAULT_C_FLAGS -Werror=unknown-warning-option` | `CFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_CONFIGURE_CPPFLAGS` | `-I$BUILD_INCLUDE_PATH` | `CPPFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_CONFIGURE_LDFLAGS` | `-L$BUILD_LIB_PATH` | `LDFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_MAKE_EXTRA_CFLAGS` | `-g0 -Os` or `-g -O0` (the latter when using `--no-strip`) | `EXTRA_CFLAGS` variable of PHP `make` command |
| `SPC_CMD_VAR_PHP_MAKE_EXTRA_LIBS` | `-lresolv` | Extra `EXTRA_LIBS` variables for PHP `make` command |
| `SPC_MICRO_PATCHES` | `static_extensions_win32,cli_checks,disable_huge_page,vcruntime140,win32,zend_stream,macos_iconv` | Used phpmicro [patches](https://github.com/easysoft/phpmicro/blob/master/patches/Readme.md) |
### Linux
| var name | default value | comment |
|----------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|
| `UPX_EXEC` | `$PKG_ROOT_PATH/bin/upx` | UPX compression tool path |
| `GNU_ARCH` | `x86_64` or `aarch64` | CPU architecture |
| `CC` | Alpine: `gcc`, Other: `$GNU_ARCH-linux-musl-gcc` | C Compiler |
| `CXX` | Alpine: `g++`, Other: `$GNU_ARCH-linux-musl-g++` | C++ Compiler |
| `AR` | Alpine: `ar`, Other: `$GNU_ARCH-linux-musl-ar` | Static library tools |
| `LD` | `ld.gold` | Linker |
| `PATH` | `/usr/local/musl/bin:/usr/local/musl/$GNU_ARCH-linux-musl/bin:$PATH` | System PATH |
| `SPC_DEFAULT_C_FLAGS` | empty | Default C flags |
| `SPC_DEFAULT_CXX_FLAGS` | empty | Default C++ flags |
| `SPC_CMD_PREFIX_PHP_BUILDCONF` | `./buildconf --force` | PHP `buildconf` command prefix |
| `SPC_CMD_PREFIX_PHP_CONFIGURE` | `LD_LIBRARY_PATH={ld_lib_path} ./configure --prefix= --with-valgrind=no --enable-shared=no --enable-static=yes --disable-all --disable-cgi --disable-phpdbg` | PHP `configure` command prefix |
| `SPC_CMD_PREFIX_PHP_MAKE` | `make -j$SPC_CONCURRENCY` | PHP `make` command prefix |
| `SPC_CMD_VAR_PHP_CONFIGURE_CFLAGS` | `$SPC_DEFAULT_C_FLAGS` | `CFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_CONFIGURE_CPPFLAGS` | `-I$BUILD_INCLUDE_PATH` | `CPPFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_CONFIGURE_LDFLAGS` | `-L$BUILD_LIB_PATH` | `LDFLAGS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_CONFIGURE_LIBS` | `-ldl -lpthread` | `LIBS` variable of PHP `configure` command |
| `SPC_CMD_VAR_PHP_MAKE_EXTRA_CFLAGS` | `-g0 -Os -fno-ident -fPIE` or `-g -O0 -fno-ident -fPIE` (the latter when using `--no-strip`) | `EXTRA_CFLAGS` variable of PHP `make` command |
| `SPC_CMD_VAR_PHP_MAKE_EXTRA_LIBS` | empty | Extra `EXTRA_LIBS` variables for PHP `make` command |
| `SPC_CMD_VAR_PHP_MAKE_EXTRA_LDFLAGS_PROGRAM` | `-all-static` (when using `clang`: `-Xcompiler -fuse-ld=lld -all-static`) | Additional `LDFLAGS` variable for `make` command |
| `SPC_NO_MUSL_PATH` | empty | Whether to not insert the PATH of the musl toolchain (not inserted when the value is `yes`) |
| `SPC_MICRO_PATCHES` | `static_extensions_win32,cli_checks,disable_huge_page,vcruntime140,win32,zend_stream` | Used phpmicro [patches](https://github.com/easysoft/phpmicro/blob/master/patches/Readme.md) |
> `{ld_lib_path}` value is `/usr/local/musl/$GNU_ARCH-linux-musl/lib`。
### FreeBSD
Due to the small number of users of the FreeBSD system, we do not provide environment variables for the FreeBSD system for the time being.
### Unix
For Unix systems such as macOS, Linux, FreeBSD, etc., the following environment variables are common.
| var name | default value | comment |
|-------------------|------------------------------|----------------------------|
| `PATH` | `$BUILD_BIN_PATH:$PATH` | System PATH |
| `PKG_CONFIG_PATH` | `$BUILD_LIB_PATH/pkgconfig` | pkg-config search path |
| `PKG_CONFIG` | `$BUILD_BIN_PATH/pkg-config` | pkg-config executable path |
## Library Environment variables (Unix only)
## Library environment variables (Unix only)
Starting from 2.2.0, static-php-cli supports custom environment variables for all compilation dependent library commands of macOS, Linux, FreeBSD and other Unix systems.