Martin Storsjö
972b3b2725
When rebuilding in an already built directory, cmake does use the cache file, containing what variables were set to previously. When changing build configuration (building with a different prefix, or changing build configurations) this can often result in failed cmake runs. Wipe the cache (and the rest of the cmake temp files) by default. This makes sure that the full cmake configuration is run each time when running the build scripts, just like it does the first time. (This doesn't remove the build artifacts; if nothing of significance has changed, ninja would still reuse old built files.) By setting the env variable NO_RECONF, this behaviour can be skipped, rerunning cmake without wiping the cache inbetween. (For cases where the user knows that the configuration hasn't changed since the last build, this can speed up the cmake execution time a bit.)
124 lines
3.3 KiB
Bash
Executable File
124 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2020 Martin Storsjo
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -e
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: ${LLDB_MI_VERSION:=2388bd74133bc21eac59b2e2bf97f2a30770a315}
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BUILDDIR=build
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unset HOST
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while [ $# -gt 0 ]; do
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case "$1" in
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--host=*)
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HOST="${1#*=}"
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;;
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*)
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PREFIX="$1"
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;;
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esac
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shift
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done
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if [ -z "$PREFIX" ]; then
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echo $0 [--host=<triple>] dest
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exit 1
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fi
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mkdir -p "$PREFIX"
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PREFIX="$(cd "$PREFIX" && pwd)"
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if [ ! -d lldb-mi ]; then
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git clone https://github.com/lldb-tools/lldb-mi.git
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CHECKOUT=1
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT" ]; then
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cd lldb-mi
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[ -z "$SYNC" ] || git fetch
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git checkout $LLDB_MI_VERSION
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cd ..
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fi
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if command -v ninja >/dev/null; then
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CMAKE_GENERATOR="Ninja"
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NINJA=1
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BUILDCMD=ninja
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else
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: ${CORES:=$(nproc 2>/dev/null)}
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: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
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: ${CORES:=4}
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case $(uname) in
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MINGW*)
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CMAKE_GENERATOR="MSYS Makefiles"
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;;
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*)
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;;
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esac
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BUILDCMD=make
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fi
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export LLVM_DIR="$PREFIX"
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# Try to find/guess the builddir under the llvm buildtree next by.
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# If LLVM was built without LLVM_INSTALL_TOOLCHAIN_ONLY, and the LLVM
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# installation directory hasn't been stripped, we should point the build there.
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# But as this isn't necessarily the case, point to the LLVM build directory
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# instead (which hopefully hasn't been removed yet).
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LLVM_SRC="$(pwd)/llvm-project/llvm"
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if [ -d "$LLVM_SRC" ]; then
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SUFFIX=${HOST+-}$HOST
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for base in build build-asserts; do
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if [ -d "$LLVM_SRC/$base$SUFFIX" ]; then
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export LLVM_DIR="$LLVM_SRC/$base$SUFFIX"
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break
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fi
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done
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fi
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if [ -n "$HOST" ]; then
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BUILDDIR=$BUILDDIR-$HOST
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_SYSTEM_NAME=Windows"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_C_COMPILER=$HOST-gcc"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_CXX_COMPILER=$HOST-g++"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_RC_COMPILER=$HOST-windres"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH=$LLVM_DIR"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY"
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fi
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if [ -n "$MACOS_REDIST" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_OSX_ARCHITECTURES=arm64;x86_64"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_OSX_DEPLOYMENT_TARGET=10.9"
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fi
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cd lldb-mi
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[ -z "$CLEAN" ] || rm -rf $BUILDDIR
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mkdir -p $BUILDDIR
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cd $BUILDDIR
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[ -n "$NO_RECONF" ] || rm -rf CMake*
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cmake \
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${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DCMAKE_BUILD_TYPE=Release \
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$CMAKEFLAGS \
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..
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$BUILDCMD ${CORES+-j$CORES} install/strip
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