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[CMake] Add first CMake cache files 

Summary:
CMake cache scripts pre-populate the CMakeCache in a build directory with commonly used settings.
The CMake invocation from D61952 could look like this:

```
cmake -G Ninja -C /path/to/llvm-project/lldb/cmake/caches/Apple-lldb-osx.cmake -DLLVM_ENABLE_PROJECTS="clang;libcxx;libcxxabi;lldb" ../llvm-project/llvm
```

Options specified on the command line will override options in the cache files (as long as caches don't use `FORCE`).
What do you think? (This is a first proposal and not set in stone.)

Reviewers: xiaobai, compnerd, JDevlieghere, aprantl, labath

Subscribers: mgorny, lldb-commits, #lldb

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D61956

llvm-svn: 361069
This commit is contained in:
Stefan Granitz 2019-05-17 19:19:41 +00:00
parent dcc477e38c
commit fd0779181f
2 changed files with 30 additions and 0 deletions
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8
lldb/cmake/caches/Apple-lldb-base.cmake Normal file
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set(LLVM_TARGETS_TO_BUILD X86;ARM;AArch64 CACHE STRING "")
set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")
# Release builds set these explicitly:
#set(LLDB_VERSION_MAJOR 9999 CACHE STRING "")
#set(LLDB_VERSION_MINOR 9 CACHE STRING "")
#set(LLDB_VERSION_PATCH 9 CACHE STRING "")
#set(LLDB_VERSION_SUFFIX git CACHE STRING "")

22
lldb/cmake/caches/Apple-lldb-macOS.cmake Normal file
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@ -0,0 +1,22 @@
include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-base.cmake)
set(LLDB_BUILD_FRAMEWORK ON CACHE BOOL "")
set(LLDB_NO_INSTALL_DEFAULT_RPATH ON CACHE BOOL "")
# Set the install prefix to the default install location on the enduser machine.
# If the location is not writeable on the build machine, specify another prefix
# in the DESTDIR environment variable, e.g.: DESTDIR=/tmp ninja install
set(CMAKE_INSTALL_PREFIX /Applications/Xcode.app/Contents/Developer/usr CACHE STRING "")
# Choose the install location for LLDB.framework so that it matches the
# INSTALL_RPATH of the lldb driver. It's either absolute or relative to
# CMAKE_INSTALL_PREFIX. In any case, DESTDIR will be an extra prefix.
set(LLDB_FRAMEWORK_INSTALL_DIR /Applications/Xcode.app/Contents/SharedFrameworks CACHE STRING "")
# Release builds may change these:
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11 CACHE STRING "")
set(LLDB_USE_SYSTEM_DEBUGSERVER ON CACHE BOOL "")
set(LLVM_EXTERNALIZE_DEBUGINFO OFF CACHE BOOL "")
set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
set(LLVM_ENABLE_MODULES ON CACHE BOOL "")