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