127 lines
4.4 KiB
Plaintext
127 lines
4.4 KiB
Plaintext
$NetBSD: patch-acinclude.m4,v 1.1 2015/04/03 01:00:52 tnn Exp $
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Patch from FDO git to bring the package up to 8.0.1.
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--- acinclude.m4.orig 2015-04-02 23:45:08.000000000 +0000
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+++ acinclude.m4
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@@ -0,0 +1,119 @@
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+# A few convenience macros for Mesa, mostly to keep all the platform
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+# specifics out of configure.ac.
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+
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+# MESA_PIC_FLAGS()
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+#
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+# Find out whether to build PIC code using the option --enable-pic and
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+# the configure enable_static/enable_shared settings. If PIC is needed,
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+# figure out the necessary flags for the platform and compiler.
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+#
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+# The platform checks have been shamelessly taken from libtool and
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+# stripped down to just what's needed for Mesa. See _LT_COMPILER_PIC in
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+# /usr/share/aclocal/libtool.m4 or
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+# http://git.savannah.gnu.org/gitweb/?p=libtool.git;a=blob;f=libltdl/m4/libtool.m4;hb=HEAD
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+#
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+AC_DEFUN([MESA_PIC_FLAGS],
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+[AC_REQUIRE([AC_PROG_CC])dnl
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+AC_ARG_VAR([PIC_FLAGS], [compiler flags for PIC code])
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+AC_ARG_ENABLE([pic],
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+ [AS_HELP_STRING([--disable-pic],
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+ [compile PIC objects @<:@default=enabled for shared builds
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+ on supported platforms@:>@])],
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+ [enable_pic="$enableval"
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+ test "x$enable_pic" = x && enable_pic=auto],
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+ [enable_pic=auto])
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+# disable PIC by default for static builds
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+if test "$enable_pic" = auto && test "$enable_static" = yes; then
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+ enable_pic=no
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+fi
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+# if PIC hasn't been explicitly disabled, try to figure out the flags
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+if test "$enable_pic" != no; then
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+ AC_MSG_CHECKING([for $CC option to produce PIC])
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+ # allow the user's flags to override
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+ if test "x$PIC_FLAGS" = x; then
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+ # see if we're using GCC
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+ if test "x$GCC" = xyes; then
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+ case "$host_os" in
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+ aix*|beos*|cygwin*|irix5*|irix6*|osf3*|osf4*|osf5*)
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+ # PIC is the default for these OSes.
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+ ;;
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+ mingw*|os2*|pw32*)
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+ # This hack is so that the source file can tell whether
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+ # it is being built for inclusion in a dll (and should
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+ # export symbols for example).
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+ PIC_FLAGS="-DDLL_EXPORT"
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+ ;;
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+ darwin*|rhapsody*)
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+ # PIC is the default on this platform
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+ # Common symbols not allowed in MH_DYLIB files
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+ PIC_FLAGS="-fno-common"
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+ ;;
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+ hpux*)
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+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX,
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+ # but not for PA HP-UX.
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+ case $host_cpu in
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+ hppa*64*|ia64*)
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+ ;;
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+ *)
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+ PIC_FLAGS="-fPIC"
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+ ;;
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+ esac
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+ ;;
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+ *)
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+ # Everyone else on GCC uses -fPIC
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+ PIC_FLAGS="-fPIC"
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+ ;;
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+ esac
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+ else # !GCC
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+ case "$host_os" in
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+ hpux9*|hpux10*|hpux11*)
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+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX,
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+ # but not for PA HP-UX.
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+ case "$host_cpu" in
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+ hppa*64*|ia64*)
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+ # +Z the default
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+ ;;
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+ *)
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+ PIC_FLAGS="+Z"
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+ ;;
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+ esac
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+ ;;
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+ linux*|k*bsd*-gnu)
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+ case `basename "$CC"` in
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+ icc*|ecc*|ifort*)
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+ PIC_FLAGS="-KPIC"
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+ ;;
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+ pgcc*|pgf77*|pgf90*|pgf95*)
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+ # Portland Group compilers (*not* the Pentium gcc
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+ # compiler, which looks to be a dead project)
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+ PIC_FLAGS="-fpic"
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+ ;;
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+ ccc*)
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+ # All Alpha code is PIC.
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+ ;;
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+ xl*)
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+ # IBM XL C 8.0/Fortran 10.1 on PPC
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+ PIC_FLAGS="-qpic"
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+ ;;
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+ *)
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+ case `$CC -V 2>&1 | sed 5q` in
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+ *Sun\ C*|*Sun\ F*)
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+ # Sun C 5.9 or Sun Fortran
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+ PIC_FLAGS="-KPIC"
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+ ;;
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+ esac
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+ esac
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+ ;;
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+ solaris*)
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+ PIC_FLAGS="-KPIC"
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+ ;;
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+ sunos4*)
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+ PIC_FLAGS="-PIC"
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+ ;;
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+ esac
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+ fi # GCC
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+ fi # PIC_FLAGS
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+ AC_MSG_RESULT([$PIC_FLAGS])
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+fi
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+AC_SUBST([PIC_FLAGS])
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+])# MESA_PIC_FLAGS
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