[CMake] Trouble with EXTERNALPROJECT_ADD, configure, and CFLAGS

[David Cole]

On Tue, Oct 25, 2011 at 1:09 PM, Dan Kegel <dank at kegel.com> wrote:

> On Tue, Oct 25, 2011 at 10:05 AM, Dan Kegel <dank at kegel.com> wrote:
> >    CONFIGURE_COMMAND ${CMAKE_SOURCE_DIR}/celt/configure -C
> --prefix=${CMAKE_BINARY_DIR}/prefix --disable-shared --with-pic  CFLAGS="-g
> -O2 -fPIC"
>
> Turns out the workaround is
>
>    CONFIGURE_COMMAND ${CMAKE_SOURCE_DIR}/celt/configure -C
> --prefix=${CMAKE_BINARY_DIR}/prefix --disable-shared --with-pic
> CFLAGS=-g\ -O2\ -fPIC
>
> That's just freaky.  I've never seen backslashes and double-quotes
> behave differently like that.  I guess quotes are "stickier" in cmake
> than in shell.
> - Dan
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If that works, then I'm pretty sure you could also do:

"CFLAGS=-g -O2 -fPIC"

The call to cmake's ExternalProject_Add function is the thing that parses at
the space separation boundary. Having double quotes around the whole thing
that's supposed to be "one arg" to configure should work.
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