Passing arguments into LDFLAGS
gholms at fedoraproject.org
Wed Sep 22 14:30:42 UTC 2010
Stephen Gallagher wrote:
> On 09/22/2010 08:08 AM, Paul F. Johnson wrote:
>> I know I can do the likes of
>> export CFLAGS="$CFLAGS -blah" and it will pass whatever CFLAGS is plus
>> the argument "-blah" to the compiler.
>> How do I do this with LDFLAGS. I'm trying to pass --build-id using
>> export LDFLAGS="$LDFLAGS --build-id"
>> It's about the only way I can get mono to build currently!
> export LDFLAGS="$LDFLAGS -Wl,--build-id"
> - -Wl, means "pass the part after the comma directly to the linker"
This. When gcc is used to indirectly call ld, it won't always pass the
$LDFLAGS to the linker. To force it to you have to use the -Wl switch
and replace all spaces in the switch with commas. For example:
LDFLAGS="-Wl,-O1 -Wl,--sort-common -Wl--build-id -s"
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