mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-25 00:50:22 +00:00
bd7d01e975
This way we can use them in other scripts that want to build Lagom and pick a suitable host compiler.
78 lines
2.3 KiB
Bash
78 lines
2.3 KiB
Bash
# shellcheck shell=bash
|
|
|
|
HOST_COMPILER=""
|
|
|
|
is_supported_compiler() {
|
|
local COMPILER="$1"
|
|
if [ -z "$COMPILER" ]; then
|
|
return 1
|
|
fi
|
|
|
|
local VERSION=""
|
|
VERSION="$($COMPILER -dumpversion)" || return 1
|
|
local MAJOR_VERSION=""
|
|
MAJOR_VERSION="${VERSION%%.*}"
|
|
if $COMPILER --version 2>&1 | grep "Apple clang" >/dev/null; then
|
|
# Apple Clang version check
|
|
BUILD_VERSION=$(echo | $COMPILER -dM -E - | grep __apple_build_version__ | cut -d ' ' -f3)
|
|
# Xcode 14.3, based on upstream LLVM 15
|
|
[ "$BUILD_VERSION" -ge 14030022 ] && return 0
|
|
elif $COMPILER --version 2>&1 | grep "clang" >/dev/null; then
|
|
# Clang version check
|
|
[ "$MAJOR_VERSION" -ge 15 ] && return 0
|
|
else
|
|
# GCC version check
|
|
[ "$MAJOR_VERSION" -ge 12 ] && return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
find_newest_compiler() {
|
|
local BEST_VERSION=0
|
|
local BEST_CANDIDATE=""
|
|
for CANDIDATE in "$@"; do
|
|
if ! command -v "$CANDIDATE" >/dev/null 2>&1; then
|
|
continue
|
|
fi
|
|
if ! $CANDIDATE -dumpversion >/dev/null 2>&1; then
|
|
continue
|
|
fi
|
|
local VERSION=""
|
|
VERSION="$($CANDIDATE -dumpversion)"
|
|
local MAJOR_VERSION="${VERSION%%.*}"
|
|
if [ "$MAJOR_VERSION" -gt "$BEST_VERSION" ]; then
|
|
BEST_VERSION=$MAJOR_VERSION
|
|
BEST_CANDIDATE="$CANDIDATE"
|
|
fi
|
|
done
|
|
HOST_COMPILER=$BEST_CANDIDATE
|
|
}
|
|
|
|
pick_host_compiler() {
|
|
CC=${CC:-"cc"}
|
|
CXX=${CXX:-"cxx"}
|
|
|
|
if is_supported_compiler "$CC" && is_supported_compiler "$CXX"; then
|
|
return
|
|
fi
|
|
|
|
find_newest_compiler clang clang-15 clang-16 /opt/homebrew/opt/llvm/bin/clang
|
|
if is_supported_compiler "$HOST_COMPILER"; then
|
|
export CC="${HOST_COMPILER}"
|
|
export CXX="${HOST_COMPILER/clang/clang++}"
|
|
return
|
|
fi
|
|
|
|
find_newest_compiler egcc gcc gcc-12 gcc-13 /usr/local/bin/gcc-{12,13} /opt/homebrew/bin/gcc-{12,13}
|
|
if is_supported_compiler "$HOST_COMPILER"; then
|
|
export CC="${HOST_COMPILER}"
|
|
export CXX="${HOST_COMPILER/gcc/g++}"
|
|
return
|
|
fi
|
|
|
|
if [ "$(uname -s)" = "Darwin" ]; then
|
|
die "Please make sure that Xcode 14.3, Homebrew Clang 15, or higher is installed."
|
|
else
|
|
die "Please make sure that GCC version 12, Clang version 15, or higher is installed."
|
|
fi
|
|
}
|