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77 lines
2 KiB
Bash
Executable file
77 lines
2 KiB
Bash
Executable file
#!/bin/sh
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set -e
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# NOTE: to be removed once no longer used in https://github.com/python/buildmaster-config/blob/main/master/custom/factories.py .
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# function
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usage() {
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echo "wasi-env - Run command with WASI-SDK"
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echo ""
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echo "wasi-env is a helper to set various environment variables to"
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echo "run configure and make with WASI-SDK. A WASI-SDK must be either"
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echo "installed at /opt/wasi-sdk or the env var 'WASI_SDK_PATH' must"
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echo "set to the root of a WASI-SDK."
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echo ""
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echo "Usage: wasi-env command [...]"
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echo ""
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echo " -h --help display this help and exit"
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echo ""
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}
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case $1 in
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-h|--help)
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usage
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exit
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;;
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esac
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if test -z "$1"; then
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echo "ERROR: command required" >&2
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usage
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exit 1
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fi
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WASI_SDK_PATH="${WASI_SDK_PATH:-/opt/wasi-sdk}"
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WASI_SYSROOT="${WASI_SDK_PATH}/share/wasi-sysroot"
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if ! test -x "${WASI_SDK_PATH}/bin/clang"; then
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echo "Error: ${WASI_SDK_PATH}/bin/clang does not exist." >&2
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exit 2
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fi
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CC="${WASI_SDK_PATH}/bin/clang"
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CPP="${WASI_SDK_PATH}/bin/clang-cpp"
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CXX="${WASI_SDK_PATH}/bin/clang++"
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# --sysroot is required if WASI-SDK is not installed in /opt/wasi-sdk.
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if test "${WASI_SDK_PATH}" != "/opt/wasi-sdk"; then
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CC="${CC} --sysroot=${WASI_SYSROOT}"
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CPP="${CPP} --sysroot=${WASI_SYSROOT}"
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CXX="${CXX} --sysroot=${WASI_SYSROOT}"
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fi
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# use ccache if available
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if command -v ccache >/dev/null 2>&1; then
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CC="ccache ${CC}"
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CPP="ccache ${CPP}"
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CXX="ccache ${CXX}"
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fi
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AR="${WASI_SDK_PATH}/bin/llvm-ar"
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RANLIB="${WASI_SDK_PATH}/bin/ranlib"
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# instruct pkg-config to use sysroot
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PKG_CONFIG_PATH=""
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PKG_CONFIG_LIBDIR="${WASI_SYSROOT}/lib/pkgconfig:${WASI_SYSROOT}/share/pkgconfig"
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PKG_CONFIG_SYSROOT_DIR="${WASI_SYSROOT}"
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PATH="${WASI_SDK_PATH}/bin:${PATH}"
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export WASI_SDK_PATH WASI_SYSROOT
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export CC CPP CXX LDSHARED AR RANLIB
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export CFLAGS LDFLAGS
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export PKG_CONFIG_PATH PKG_CONFIG_LIBDIR PKG_CONFIG_SYSROOT_DIR
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export PATH
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# no exec, it makes argv[0] path absolute.
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"$@"
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