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moved HAVE_BUILTIN_POPCOUNT def to cmake

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G.E.
2024-03-12 14:22:39 +02:00
parent 9591ae34e5
commit feeb6a57ac
4 changed files with 16 additions and 6 deletions
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8
README.md
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@@ -115,6 +115,8 @@ Assuming an existing HomeBrew installation:
### *BSD
In NetBSD you will almost certainly need to have a newer compiler installed.
This will not replace the one in the standard base distribution, and
cmake will probably find the wrong compiler when it checks automatically.
Using the example of gcc12 from pkgsrc, one will need to set two
environment variables before starting:
```
@@ -123,7 +125,11 @@ export CXX="/usr/pkg/gcc12/bin/g++"
```
In FreeBSD similarly, using gcc12 from pkg
In FreeBSD similarly, if you install another compiler, cmake might not
find the right one. Worse is if it finds, say, g++ and configures it for
C++ but leaves cc for C - FreeBSD's default cc is clang, and the binaries
generated between g++ and clang will not play nicely together.
Using the example of gcc12 from pkg:
```
export CC="/usr/local/bin/gcc"
export CXX="/usr/local/bin/g++"