An update for Mac builders.
It appears that the Mac clang LLVM compilers do not support the
function-sections, data-sections and, gc-sections options so those
should be omitted on Mac builds. they probably only make sense for ELF
binary targets anyway which is not the case on OS-X anyway so if they
were supported they would probably be ignored.
So the Mac hamlib for WSJT-X recipe needs to be something like:
mkdir ~/hamlib-prefix
cd ~/hamlib-prefix
git clone git://git.code.sf.net/u/bsomervi/hamlib src
cd src
git checkout integration
mkdir ../build
cd ../build
../src/autogen.sh --prefix=$HOME/hamlib-prefix \
--disable-shared --enable-static \
--without-cxx-binding --disable-winradio
make
make install
73
Bill
G4WJS.
On 23/09/2014 15:50, Bill Somerville wrote:
> Hi All,
>
> I have just pushed the latest updates I've made to Hamlib 3 to my
> public fork of the project. These changes are not yet fully completed
> so I have not submitted them to the hamlib team yet.
>
> Also I intended to change the WSJT-X compile and link commands in the
> CMake script to ensure any unreferenced code is stripped from final
> release configuration builds. To assist in this the configuration of
> hamlib builds needs to change with a few extra compiler and linker flags.
>
> Here is a generic build recipe for hamlib suitable for use in the
> WSJT-X build, it should work as is on Linux, on Mac a small patch to
> autogen.sh is probably required (depending on how you install the
> required autotools) and on Windows see below.
>
> mkdir ~/hamlib-prefix
> cd ~/hamlib-prefix
> git clone git://git.code.sf.net/u/bsomervi/hamlib src
> cd src
> git checkout integration
> mkdir ../build
> cd ../build
> ../src/autogen.sh --prefix=$HOME/hamlib-prefix \
> --disable-shared --enable-static \
> --without-cxx-binding --disable-winradio \
> CFLAGS="-fdata-sections -ffunction-sections" \
> LDFLAGS="-Wl,--gc-sections"
> make
> make install
>
> This will build a binary hamlib package located at ~/hamlib-prefix so
> you will need to add that to your CMAKE_PREFIX_PATH variable in your
> WSJT-X build. On Linux that is probably the only path you have on
> CMAKE_PREFIX_PATH unless you are using a locally installed Qt
> installation.
>
> On Windows there is a complication in that the compilers used to build
> Qt and WSJT-X are the MinGW ones bundled with the Qt package but
> hamlib needs to be build from an MSYS shell. This means that you need
> to tell the hamlib configuration to use the Qt bundled MinGW compilers
> (if you don't then the thread support library use by hamlib will be
> incompatible with that used by Qt and WSJT-X). So on Windows the
> hamlib build recipe is something like:
>
> In an MSYS shell:-
>
> mkdir ~/hamib-prefix
> cd ~/hamlib-prefix
> git clone git://git.code.sf.net/u/bsomervi/hamlib src
> cd src
> git checkout integration
> mkdir ../build
> cd ../build
> ../src/autogen.sh --prefix=$HOME/hamlib-prefix \
> --disable-shared --enable-static \
> --without-cxx-binding --disable-winradio \
> CC=<path-to-Qt-MinGW-tools>/gcc \
> CXX=<path-to-Qt-MinGW-tools>/g++ \
> CFLAGS="-fdata-sections -ffunction-sections" \
> LDFLAGS="-Wl,--gc-sections"
> make
> make install
>
> NOTE: <path-to-Qt-MinGQ-tools> should be substituted with the actual
> path to your Qt bundled tools e.g on my system it is
> C:\Tools\Qt\Tools\mingw48_32\bin .
>
> this will leave a hamlib binary package installed at
> c:/Users/<user-name>/hamlib-prefix which is what needs to be on your
> CMAKE_PREFIX_PATH. On Windows you almost certainly will be using a
> CMake toolchain file and this is where you will need to specify the
> hamlib binary location as one of the paths in CMAKE_PREFIX_PATH.
>
> 73
> Bill
> G4WJS.
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