75 lines
2 KiB
Text
75 lines
2 KiB
Text
dnl $Id: aclocal.m4,v 1.2 2002/05/28 19:13:50 nico Exp $
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AC_DEFUN([ITZ_SYS_ELF],
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[AC_CACHE_CHECK([whether system is ELF],itz_cv_sys_elf,
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[AC_EGREP_CPP(win,
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[#ifdef __ELF__
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win
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#else
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lose
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#endif
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],[itz_cv_sys_elf=yes],[itz_cv_sys_elf=no])])
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if test ${itz_cv_sys_elf} = yes && test x${ac_cv_prog_gcc} = xyes ; then
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PICFLAGS="-DPIC -fPIC"
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SOLDFLAGS="-fPIC -shared -Wl,-soname,"
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else
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PICFLAGS=
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SOLDFLAGS=
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fi
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])
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AC_DEFUN([ITZ_PATH_SITE_LISP],
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[AC_CACHE_CHECK([where to install Emacs Lisp files],itz_cv_path_site_lisp,
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[eval itz_cv_path_site_lisp=`${EMACS} -batch -l ${srcdir}/exec.el -exec "(mapcar 'print load-path)" 2>/dev/null |
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sed -e '/^$/d' | sed -n -e 2p`
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case x${itz_cv_path_site_lisp} in
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x*site-lisp*) ;;
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x*) itz_cv_path_site_lisp='${datadir}/emacs/site-lisp' ;;
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esac])
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])
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AC_DEFUN([ITZ_CHECK_TYPE],
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[AC_CACHE_CHECK([for $1],itz_cv_type_$1,
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AC_TRY_COMPILE([
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#include <$2>
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],[
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$1 dummy;
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return 0;
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],[itz_cv_type_$1=yes],[itz_cv_type_$1=no]))
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])
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#
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# Fix autoconf: They don't allow shell variables in AC_INIT
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# So we have to define them via m4 to be accepted....
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#
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# What I simply wanted todo is
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#
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# AC_INIT([gpm],["$revgit"],[http://unix.schottelius.org/gpm/])
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#
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# As neither
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#
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# revgit="`cat $srcdir/.gitversion`"
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# m4_define([AC_PACKAGE_VERSION], [$revgit])
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#
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# nor
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#
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# m4_define([AC_PACKAGE_VERSION], include(.gitversion))
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#
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# work, I generate an m4 define in .gitversion, which is called by
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# autogen.sh:
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#
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# [13:59] denkbrett:gpm% cat .gitversion
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# define([AC_PACKAGE_VERSION], [1.99.6-83-gd80571b 20080611 13:56:54 +0200])
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#
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# This works in general, because if AC_PACKAGE_VERSION is set before running
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# AC_INIT, it will not overwrite it, as seen in /usr/share/autoconf/autoconf/general.m4:
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#
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# m4_ifndef([AC_PACKAGE_VERSION],
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# [m4_define([AC_PACKAGE_VERSION], [$2])])
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#
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#
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# So effectively, to change the version of gpm to something dynamically, it goes this way:
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#
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# autogen.sh -> .gitversion -> acinclude.m4 -> auto* -> configure.ac -> configure
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#
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# Perhaps someone could simply this a bit?
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#
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m4_include(.gitversion.m4)
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