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Change default CONFIG to none

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- Use default value of `CXX` instead of forcing override to `clang++`.
- Add base `CXXFLAGS` and `ABCMKARGS` in else condition of `ifeq ($(CONFIG),..)`
  block and output the value of `CXX`.
- Change readme to mention `CXX` envvar and that using `make config-clang` etc
  will ignore `CXX`.
This commit is contained in:
Krystine Sherwin 2024-03-08 11:09:03 +13:00
parent 6d528ef808
commit 56f66596b0
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2 changed files with 13 additions and 2 deletions
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README.md
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@ -105,11 +105,17 @@ For Cygwin use the following command to install all prerequisites, or select the
setup-x86_64.exe -q --packages=bison,flex,gcc-core,gcc-g++,git,libffi-devel,libreadline-devel,make,pkg-config,python3,tcl-devel,boost-build,zlib-devel
To configure the build system to use a specific compiler, use one of
The environment variable `CXX` can be used to control the C++ compiler used, or
run one of the following:
$ make config-clang
$ make config-gcc
Note that these will result in `make` ignoring the `CXX` environment variable,
unless `CXX` is assigned in the call to make, e.g.
$ make CXX=$CXX
For other compilers and build configurations it might be
necessary to make some changes to the config section of the
Makefile.