configure: support target dependent linking

This patch is the first attempt to make configure more intelligent with
regard to how it links to libraries. It divides the softmmu libraries into
two lists, a general one and a list which depends on the target
architecture.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
---
 configure |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

On Tue, Apr 26, 2011 at 12:24:07AM +0200, Michael Walle wrote:
> This patch is the first attempt to make configure more intelligent with
> regard to how it links to libraries. It divides the softmmu libraries into
> two lists, a general one and a list which depends on the target
> architecture.
> 
> Signed-off-by: Michael Walle <michael@walle.cc>
> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

Looks good, thanks.

Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

On Tue, Apr 26, 2011 at 12:24:07AM +0200, Michael Walle wrote:
> This patch is the first attempt to make configure more intelligent with
> regard to how it links to libraries. It divides the softmmu libraries into
> two lists, a general one and a list which depends on the target
> architecture.
> 
> Signed-off-by: Michael Walle <michael@walle.cc>
> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
> ---
>  configure |   13 ++++++++++---
>  1 files changed, 10 insertions(+), 3 deletions(-)

Thanks, both applied.

> diff --git a/configure b/configure
> index da2da04..ca675f6 100755
> --- a/configure
> +++ b/configure
> @@ -1946,11 +1946,11 @@ int main(void) { return 0; }
>  EOF
>    if compile_prog "" "$fdt_libs" ; then
>      fdt=yes
> -    libs_softmmu="$fdt_libs $libs_softmmu"
>    else
>      if test "$fdt" = "yes" ; then
>        feature_not_found "fdt"
>      fi
> +    fdt_libs=
>      fdt=no
>    fi
>  fi
> @@ -1967,11 +1967,11 @@ int main(void) { GL_VERSION; return 0; }
>  EOF
>    if compile_prog "" "-lGL" ; then
>      opengl=yes
> -       libs_softmmu="$opengl_libs $libs_softmmu"
>    else
>      if test "$opengl" = "yes" ; then
>        feature_not_found "opengl"
>      fi
> +    opengl_libs=
>      opengl=no
>    fi
>  fi
> @@ -3071,6 +3071,7 @@ target_short_alignment=2
>  target_int_alignment=4
>  target_long_alignment=4
>  target_llong_alignment=8
> +target_libs_softmmu=
>  
>  TARGET_ARCH="$target_arch2"
>  TARGET_BASE_ARCH=""
> @@ -3104,6 +3105,7 @@ case "$target_arch2" in
>    ;;
>    lm32)
>      target_phys_bits=32
> +    target_libs_softmmu="$opengl_libs"
>    ;;
>    m68k)
>      bflt="yes"
> @@ -3118,6 +3120,7 @@ case "$target_arch2" in
>      bflt="yes"
>      target_nptl="yes"
>      target_phys_bits=32
> +    target_libs_softmmu="$fdt_libs"
>    ;;
>    mips|mipsel)
>      TARGET_ARCH=mips
> @@ -3142,6 +3145,7 @@ case "$target_arch2" in
>      gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
>      target_phys_bits=32
>      target_nptl="yes"
> +    target_libs_softmmu="$fdt_libs"
>    ;;
>    ppcemb)
>      TARGET_BASE_ARCH=ppc
> @@ -3149,6 +3153,7 @@ case "$target_arch2" in
>      gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
>      target_phys_bits=64
>      target_nptl="yes"
> +    target_libs_softmmu="$fdt_libs"
>    ;;
>    ppc64)
>      TARGET_BASE_ARCH=ppc
> @@ -3156,6 +3161,7 @@ case "$target_arch2" in
>      gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
>      target_phys_bits=64
>      target_long_alignment=8
> +    target_libs_softmmu="$fdt_libs"
>    ;;
>    ppc64abi32)
>      TARGET_ARCH=ppc64
> @@ -3164,6 +3170,7 @@ case "$target_arch2" in
>      echo "TARGET_ABI32=y" >> $config_target_mak
>      gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
>      target_phys_bits=64
> +    target_libs_softmmu="$fdt_libs"
>    ;;
>    sh4|sh4eb)
>      TARGET_ARCH=sh4
> @@ -3249,7 +3256,7 @@ fi
>  if test "$target_softmmu" = "yes" ; then
>    echo "TARGET_PHYS_ADDR_BITS=$target_phys_bits" >> $config_target_mak
>    echo "CONFIG_SOFTMMU=y" >> $config_target_mak
> -  echo "LIBS+=$libs_softmmu" >> $config_target_mak
> +  echo "LIBS+=$libs_softmmu $target_libs_softmmu" >> $config_target_mak
>    echo "HWDIR=../libhw$target_phys_bits" >> $config_target_mak
>    echo "subdir-$target: subdir-libhw$target_phys_bits" >> $config_host_mak
>  fi
> -- 
> 1.7.2.3
> 
> 
>