On 11/16/13, 4:57 AM, Jacob Carlborg wrote:
On 2013-11-16 04:19, Andrew Edwards wrote:
I am having little problem building druntime on Mac OS X 10.9
(Mavericks) and am wondering if anyone has experienced with this and
some guidance on how to fix it.
Here is my command:
make -f posix.mak install DMD=../install/bin/dmd
And here is the resulting error:
../install/bin/dmd -ofgenerated/osx/default/rdmd rdmd.d
ld: unknown option: --export-dynamic
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
--- errorlevel 1
make: *** [generated/osx/default/rdmd] Error 1
--export-dynamic doesn't come from the makefile but most likely from
dmd.conf. It's used on Linux and FreeBSD but not on Mac OS X, please
remove it.
BTW where did you get the dmd.conf file from?
You nailed it. It is in the dmd.conf file. Its content is this:
[Environment]
DFLAGS=-L--export-dynamic -I%@P%/../import -L-L%@P%/../lib -L-lrt
It is generated automatically from src/dmd.conf.default while building
dmd as such:
make -f posix.mak install
Here is the explanation from man ld of the Mac OS X equivalent:
-export_dynamic
Preserves all global symbols in main executables during LTO.
Without this option, Link Time Optimization is allowed to
inline and remove global functions. This option is used when
a main executable may load a plug-in which requires certain
symbols from the main executable.
Not sure what -lrt is thought. It is not defined in the man pages, does
not affect building of the libraries (druntime or phobos) but bombs out
while building the tools.
Regards,
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