[Mesa-dev] [Bug 99010] --disable-gallium-llvm no longer recognized

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99010

--- Comment #20 from Jonathan Gray <jsg at openbsd.org> ---
(In reply to Emil Velikov from comment #19)
> Gents do give this series a try
> 
> https://patchwork.freedesktop.org/series/19269/

With the patch series I can build Mesa without setting LLVM_CONFIG=no in the
environment again on OpenBSD/amd64.

To prevent Mesa from using llvm if found I still have to use
--disable-gallium-llvm --disable-llvm-shared-libs

Building with just --disable-gallium-llvm gives

configure: error: Could not find llvm shared libraries:
        Please make sure you have built llvm with the --enable-shared option
        and that your llvm libraries are installed in /usr/local/lib
        If you have installed your llvm libraries to a different directory you
        can use the --with-llvm-prefix= configure flag to specify this
directory.
        NOTE: Mesa is attempting to use llvm shared libraries by default.
        If you do not want to build with llvm shared libraries and instead want
to
        use llvm static libraries then add --disable-llvm-shared-libs to your
configure
        invocation and rebuild.

running autogen/configure with:

export AUTOMAKE_VERSION=1.12
export AUTOCONF_VERSION=2.69
export ACLOCAL="aclocal -I /usr/X11R6/share/aclocal"
export PKG_CONFIG_PATH=/usr/X11R6/lib/pkgconfig
export X11BASE=/usr/X11R6
if [[ $(uname -p) == "i386" ]]; then
        export USER_CFLAGS="-march=i586"
        export USER_CXXFLAGS="-march=i586"
fi
./autogen.sh \
--with-gallium-drivers=r300,r600,swrast \
--with-dri-drivers=i915,i965,r200,radeon,swrast \
--disable-silent-rules \
--disable-gallium-llvm \
--disable-llvm-shared-libs \
--disable-glx-tls \
--enable-gles1 --enable-gles2 \
--enable-shared-glapi \
--enable-osmesa \
--enable-debug \
--enable-gbm \
--enable-texture-float \
--with-egl-platforms="x11,drm" \
--prefix=${X11BASE} \
--with-dri-driverdir=${X11BASE}/lib/modules/dri \
--with-dri-searchpath=${X11BASE}/lib/modules/dri

This is with some additional patches, including patching out the requirement of
llvm for r300 to mimic building on a system with no llvm.

The OpenBSD ports LLVM package installs static libraries for each component,
not a shared library for each or a single shared library for everything which
seems to be the approach taken by linux distributions?

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