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CMake builds: set a default build type (Release) #5646

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Merged
merged 1 commit into from
Jan 11, 2021
Merged

CMake builds: set a default build type (Release) #5646

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7 changes: 7 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,12 @@
cmake_minimum_required(VERSION 3.2)

# Build a Release version by default (default build flags for each build type
# are configured below).
if (NOT EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "" FORCE)
endif()
endif()

# Grab the current CBMC version from config.inc
# We do this so we have a matching cbmc version between the Makefile build and
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3 changes: 2 additions & 1 deletion COMPILING.md
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Expand Up @@ -266,7 +266,8 @@ require manual modification of build files.
Generally it is not necessary to manually specify individual compiler or
linker flags, as CMake defines a number of "build modes" including Debug and
Release modes. To build in a particular mode, add the flag
`-DCMAKE_BUILD_TYPE=Debug` (or `Release`) to the initial invocation.
`-DCMAKE_BUILD_TYPE=Debug` (or `RelWithDebInfo`) to the initial invocation.
The default is to perform an optimized build via the `Release` configuration.

If you *do* need to manually add flags, use `-DCMAKE_CXX_FLAGS=...` and
`-DCMAKE_EXE_LINKER_FLAGS=...`. This is useful for enabling clang's
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