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Merge pull request #246 from isildur-g/bugfix-242

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the rpath hack is only needed on arm
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Konstantinos Margaritis 2024-04-19 16:26:37 +03:00 committed by GitHub
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2 changed files with 4 additions and 10 deletions
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8
README.md
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@ -146,6 +146,7 @@ export CXX="/usr/pkg/gcc12/bin/g++"
```
In FreeBSD similarly, you might want to install a different compiler.
If you want to use gcc, it is recommended to use gcc12.
You will also, as in NetBSD, need to install cmake, sqlite, boost and ragel packages.
Using the example of gcc12 from pkg:
installing the desired compiler:
@ -164,7 +165,6 @@ the environment variables to point to this compiler:
export CC="/usr/local/bin/gcc"
export CXX="/usr/local/bin/g++"
```
A further note in FreeBSD, on the PowerPC and ARM platforms,
the gcc12 package installs to a slightly different name, on FreeBSD/ppc,
gcc12 will be found using:
@ -175,12 +175,6 @@ export CXX="/usr/local/bin/g++12"
Then continue with the build as below.
A note about running in FreeBSD: if you built a dynamically linked binary
with an alternative compiler, the libraries specific to the compiler that
built the binary will probably not be found and the base distro libraries
in /lib will be found instead. Adjust LD_LIBRARY_PATH appropriately. For
example, with gcc12 installed from pkg, one would want to use
```export LD_LIBRARY_PATH=/usr/local/lib/gcc12/```
## Configure & build

6
cmake/osdetection.cmake
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@ -6,10 +6,10 @@ if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
set(FREEBSD true)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
#FIXME: find a nicer and more general way of doing this
if(CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc12")
set(CMAKE_BUILD_RPATH "/usr/local/lib/gcc12")
elseif(CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc13")
if(CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc13")
set(CMAKE_BUILD_RPATH "/usr/local/lib/gcc13")
elseif(ARCH_AARCH64 AND (CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc12"))
set(CMAKE_BUILD_RPATH "/usr/local/lib/gcc12")
endif()
endif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")