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2008-02-03 Paolo Bonzini <bonzini@gnu.org> * build-aux/lightning.m4: Add --with-lightning-prefix option, suggested by Sam Steingold.
77 lines
2.3 KiB
Text
77 lines
2.3 KiB
Text
dnl I'd like this to be edited in -*- Autoconf -*- mode...
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dnl
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# serial 2 LIGHTNING_CONFIGURE_IF_NOT_FOUND
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m4_define([LIGHTNING_BACKENDS], [i386:-32 i386:-64 sparc ppc])
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AC_DEFUN([LIGHTNING_CONFIGURE_LINKS], [
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suffix=
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case "$host_cpu" in
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i?86) cpu=i386; suffix=-32 ;;
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x86_64) cpu=i386; suffix=-64 ;;
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sparc*) cpu=sparc ;;
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powerpc) cpu=ppc ;;
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*) ;;
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esac
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if test -n "$cpu" && test -d "$srcdir/lightning/$cpu"; then
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$1
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lightning_frag=`cd $srcdir && pwd`/lightning/$cpu/Makefile.frag
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test -f $lightning_frag || lightning_frag=/dev/null
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asm_src=lightning/$cpu/asm.h
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test -f $srcdir/lightning/$cpu/asm$suffix.h && asm_src=lightning/$cpu/asm$suffix.h
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AC_CONFIG_LINKS(lightning/asm.h:$asm_src, [], [asm_src=$asm_src])
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fp_src=lightning/$cpu/fp.h
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test -f $srcdir/lightning/$cpu/fp$suffix.h && fp_src=lightning/$cpu/fp$suffix.h
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AC_CONFIG_LINKS(lightning/fp.h:$fp_src, [], [fp_src=$fp_src])
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core_src=lightning/$cpu/core.h
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test -f $srcdir/lightning/$cpu/core$suffix.h && core_src=lightning/$cpu/core$suffix.h
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AC_CONFIG_LINKS(lightning/core.h:$core_src, [], [core_src=$core_src])
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funcs_src=lightning/$cpu/funcs.h
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test -f $srcdir/lightning/$cpu/funcs$suffix.h && funcs_src=lightning/$cpu/funcs$suffix.h
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AC_CONFIG_LINKS(lightning/funcs.h:$funcs_src, [], [funcs_src=$funcs_src])
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else
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$2
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lightning_frag=/dev/null
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fi
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AC_SUBST_FILE(lightning_frag)
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])
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AC_DEFUN([LIGHTNING_CONFIGURE_IF_NOT_FOUND], [
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AC_REQUIRE([AC_PROG_LN_S])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_ARG_WITH(lightning-prefix,
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AS_HELP_STRING([--with-lightning-prefix=PFX], [Prefix where GNU lightning is installed]),
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[], [with_lightning_prefix=])
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saveCFLAGS="$CFLAGS"
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if test "x$with_lightning_prefix" != x; then
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INCLIGHTNING="-I${with_lightning_prefix}/include"
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CFLAGS="$CFLAGS $INCLIGHTNING"
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else
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INCLIGHTNING=
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fi
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AC_CHECK_HEADER(lightning.h)
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CFLAGS="$saveCFLAGS"
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AM_CONDITIONAL(LIGHTNING_MAIN, (exit 1))
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AM_CONDITIONAL(HAVE_INSTALLED_LIGHTNING, test "$ac_cv_header_lightning_h" = yes)
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lightning=
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if test "$ac_cv_header_lightning_h" = yes; then
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lightning=yes
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else
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LIGHTNING_CONFIGURE_LINKS(lightning=yes, lightning=no)
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fi
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AS_IF([test "$lightning" = yes], [
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AC_DEFINE(HAVE_LIGHTNING, 1, [Define if GNU lightning can be used])
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$1
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], [$2])
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unset lightning
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])dnl
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