Commit add5d7a8 authored by Lars Hammarstrand's avatar Lars Hammarstrand Committed by Michael Niedermayer

configure: allow the gas-preprocessor to be called with an absolute path.

Allow the configure tool to call the gas-preprocessor with an absolute
path when included with either the "--as" or with a separate "--gas"
option.  The patch is backward compatible and will not break any current
configuration setups.

The new behavior that comes with this option can be utilized in the
following ways:

Examples:

- Just as single option that includes both the gas-preprocessor.pl and
  cc/as at the same time:

  $ configure --as="/opt/app/build-tools/gas-preprocessor.pl \
                   /Applications/Xcode.app/.../Developer/usr/bin/gcc"

- Call gas-preprocessor with a separate option in conjunction with --as:

  $ configure --gas="/opt/app/build-tools/gas-preprocessor.pl" \
               --as="/Applications/Xcode.app/.../Developer/usr/bin/gcc"

- Address only the the gas-preprocessor and it will automatically fall
  back to as or cc whichever that's defined:
  $ configure --gas="/opt/app/build-tools/gas-preprocessor.pl"

- Or if no gas-preprocessor.pl is explicitly defined, it falls back to
  the old behaivor.
parent 37f3f32d
......@@ -1851,6 +1851,7 @@ CMDLINE_SET="
cxx
dep_cc
extra_version
gas
host_cc
host_cflags
host_ld
......@@ -3853,7 +3854,7 @@ case $target_os in
strip="strip -d"
;;
darwin)
gas="gas-preprocessor.pl $cc"
test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
enabled ppc && add_asflags -force_cpusubtype_ALL
SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
......
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