diff options
Diffstat (limited to 'acinclude.m4')
-rw-r--r-- | acinclude.m4 | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 000000000..0c30b7d68 --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,356 @@ +dnl macros to configure g10 + +AC_PREREQ(2.5) + +AC_DEFUN(md_TYPE_PTRDIFF_T, + [AC_CACHE_CHECK([for ptrdiff_t], ac_cv_type_ptrdiff_t, + [AC_TRY_COMPILE(stddef.h, [ptrdiff_t p], ac_cv_type_ptrdiff_t=yes, + ac_cv_type_ptrdiff_t=no)]) + if test $ac_cv_type_ptrdiff_t = yes; then + AC_DEFINE(HAVE_PTRDIFF_T) + fi +]) + +AC_DEFUN(md_PATH_PROG, + [AC_PATH_PROG($1,$2,$3)dnl + if echo $$1 | grep openwin > /dev/null; then + echo "WARNING: Do not use OpenWin's $2. (Better remove it.) >&AC_FD_MSG" + ac_cv_path_$1=$2 + $1=$2 + fi +]) + +dnl Check NLS options + +AC_DEFUN(ud_LC_MESSAGES, + [if test $ac_cv_header_locale_h = yes; then + AC_CACHE_CHECK([for LC_MESSAGES], ud_cv_val_LC_MESSAGES, + [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], + ud_cv_val_LC_MESSAGES=yes, ud_cv_val_LC_MESSAGES=no)]) + if test $ud_cv_val_LC_MESSAGES = yes; then + AC_DEFINE(HAVE_LC_MESSAGES) + fi + fi]) + +AC_DEFUN(ud_WITH_NLS, + [AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + AC_ARG_ENABLE(nls, + [ --disable-nls do not use Native Language Support], + nls_cv_use_nls=$enableval, nls_cv_use_nls=yes) + AC_MSG_RESULT($nls_cv_use_nls) + + dnl If we use NLS figure out what method + if test "$nls_cv_use_nls" = "yes"; then + AC_DEFINE(ENABLE_NLS) + AC_MSG_CHECKING([for explicitly using GNU gettext]) + AC_ARG_WITH(gnu-gettext, + [ --with-gnu-gettext use the GNU gettext library], + nls_cv_force_use_gnu_gettext=$withval, + nls_cv_force_use_gnu_gettext=no) + AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) + + if test "$nls_cv_force_use_gnu_gettext" = "yes"; then + nls_cv_use_gnu_gettext=yes + else + dnl User does not insist on using GNU NLS library. Figure out what + dnl to use. If gettext or catgets are available (in this order) we + dnl use this. Else we have to fall back to GNU NLS library. + AC_CHECK_LIB(intl, main) + AC_CHECK_LIB(i, main) + CATOBJEXT=NONE + + dnl Debian 1.3.1 does not have libintl.h but libintl.a + AC_CHECK_HEADERS(libintl.h) + if test "$ac_cv_lib_intl_main" = yes \ + && test "$ac_cv_header_libintl_h" != "yes" ; then + nls_cv_use_gnu_gettext=yes + else + AC_CHECK_FUNC(gettext, + [AC_DEFINE(HAVE_GETTEXT) + md_PATH_PROG(MSGFMT, msgfmt, no)dnl + if test "$MSGFMT" != "no"; then + AC_CHECK_FUNCS(dcgettext) + md_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + md_PATH_PROG(XGETTEXT, xgettext, xgettext) + CATOBJEXT=.mo + INSTOBJEXT=.mo + DATADIRNAME=lib + if test "$ac_cv_lib_intl[_]main" = yes; then + INTLLIBS=-lintl + elif test "$ac_cv_lib_i[_]main" = yes; then + INTLLIBS=-li + fi + fi]) + + if test "$CATOBJEXT" = "NONE"; then + dnl No gettext in C library. Try catgets next. + AC_CHECK_FUNC(catgets, + [AC_DEFINE(HAVE_CATGETS) + INTLOBJS="\$(CATOBJS)" + AC_PATH_PROG(GENCAT, gencat, no)dnl + if test "$GENCAT" != "no"; then + AC_PATH_PROGS(GMSGFMT, [gmsgfmt msgfmt], msgfmt) + md_PATH_PROG(XGETTEXT, xgettext, xgettext) + CATOBJEXT=.cat + INSTOBJEXT=.cat + DATADIRNAME=lib + INTLDEPS="\${top_srcdir}/intl/libintl.a" + INTLLIBS=$INTLDEPS + LIBS=`echo $LIBS | sed -e 's/-lintl//'` + nls_cv_header_intl=intl/libintl.h + nls_cv_header_libgt=intl/libgettext.h + fi]) + fi + fi + + if test "$CATOBJEXT" = "NONE"; then + dnl Neither gettext nor catgets in included in the C library. + dnl Fall back on GNU gettext library. + nls_cv_use_gnu_gettext=yes + fi + fi + + if test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions used to generate GNU NLS library. + INTLOBJS="\$(GETTOBJS)" + md_PATH_PROG(MSGFMT, msgfmt, msgfmt) + md_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + md_PATH_PROG(XGETTEXT, xgettext, xgettext) + AC_SUBST(MSGFMT) + CATOBJEXT=.gmo + INSTOBJEXT=.mo + DATADIRNAME=share + INTLDEPS="\${top_srcdir}/intl/libintl.a" + INTLLIBS=$INTLDEPS + LIBS=`echo $LIBS | sed -e 's/-lintl//'` + nls_cv_header_intl=intl/libintl.h + nls_cv_header_libgt=intl/libgettext.h + fi + + # We need to process the intl/ and po/ directory. + INTLSUB=intl + POSUB=po + else + DATADIRNAME=share + nls_cv_header_intl=intl/libintl.h + nls_cv_header_libgt=intl/libgettext.h + fi + + dnl These rules are solely for the distribution goal. While doing this + dnl we only have to keep exactly one list of the available catalogs + dnl in configure.in. + for lang in $ALL_LINGUAS; do + GMOFILES="$GMOFILES $lang.gmo" + POFILES="$POFILES $lang.po" + done + + dnl Make all variables we use known to autoconf. + AC_SUBST(CATALOGS) + AC_SUBST(CATOBJEXT) + AC_SUBST(DATADIRNAME) + AC_SUBST(GMOFILES) + AC_SUBST(INSTOBJEXT) + AC_SUBST(INTLDEPS) + AC_SUBST(INTLLIBS) + AC_SUBST(INTLOBJS) + AC_SUBST(INTLSUB) + AC_SUBST(POFILES) + AC_SUBST(POSUB) + ]) + +AC_DEFUN(AM_GNU_GETTEXT, + [AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_PROG_CC])dnl + AC_REQUIRE([AC_PROG_RANLIB])dnl + AC_REQUIRE([AC_HEADER_STDC])dnl + AC_REQUIRE([AC_C_CONST])dnl + AC_REQUIRE([AC_C_INLINE])dnl + AC_REQUIRE([AC_TYPE_OFF_T])dnl + AC_REQUIRE([AC_TYPE_SIZE_T])dnl + AC_REQUIRE([AC_FUNC_ALLOCA])dnl + AC_REQUIRE([AC_FUNC_MMAP])dnl + + AC_CHECK_HEADERS([limits.h locale.h nl_types.h malloc.h string.h unistd.h values.h]) + AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp]) + + if test "${ac_cv_func_stpcpy+set}" != "set"; then + AC_CHECK_FUNCS(stpcpy) + fi + if test "${ac_cv_func_stpcpy}" = "yes"; then + AC_DEFINE(HAVE_STPCPY) + fi + + ud_LC_MESSAGES + ud_WITH_NLS + + if test "x$CATOBJEXT" != "x"; then + if test "x$ALL_LINGUAS" = "x"; then + LINGUAS= + else + AC_MSG_CHECKING(for catalogs to be installed) + NEW_LINGUAS= + for lang in ${LINGUAS=$ALL_LINGUAS}; do + case "$ALL_LINGUAS" in + *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;; + esac + done + LINGUAS=$NEW_LINGUAS + AC_MSG_RESULT($LINGUAS) + fi + + dnl Construct list of names of catalog files to be constructed. + if test -n "$LINGUAS"; then + for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done + fi + fi + + dnl Determine which catalog format we have (if any is needed) + dnl For now we know about two different formats: + dnl Linux and the normal X/Open format + test -d intl || mkdir intl + if test "$CATOBJEXT" = ".cat"; then + AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen) + + dnl Transform the SED scripts while copying because some dumb SEDs + dnl cannot handle comments. + sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed + fi + dnl po2tbl.sed is always needed. + sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \ + $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed + + dnl Generate list of files to be processed by xgettext which will + dnl be included in po/Makefile. + test -d po || mkdir po + if test "x$srcdir" != "x."; then + if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then + posrcprefix="$srcdir/" + else + posrcprefix="../$srcdir/" + fi + else + posrcprefix="../" + fi + sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \ + < $srcdir/po/POTFILES.in > po/POTFILES + ]) + + + +dnl -------------------------------------------------- +dnl G10 stuff +dnl -------------------------------------------------- + + +dnl WK_MSG_PRINT(STRING) +dnl print a message +dnl +define(WK_MSG_PRINT, + [ echo $ac_n "$1"" $ac_c" 1>&AC_FD_MSG + ]) + + +dnl WK_CHECK_TYPEDEF(TYPE, HAVE_NAME) +dnl Check wether a typedef exists and create a #define $2 if it exists +dnl +AC_DEFUN(WK_CHECK_TYPEDEF, + [ AC_MSG_CHECKING(for $1 typedef) + AC_CACHE_VAL(wk_cv_typedef_$1, + [AC_TRY_COMPILE([#include <stdlib.h> + #include <sys/types.h>], [ + #undef $1 + int a = sizeof($1); + ], wk_cv_typedef_$1=yes, wk_cv_typedef_$1=no )]) + AC_MSG_RESULT($wk_cv_typedef_$1) + if test "$wk_cv_typedef_$1" = yes; then + AC_DEFINE($2) + fi + ]) + + + +dnl WK_LINK_FILES( SRC, DEST ) +dnl same as AC_LINK_FILES, but collet the files to link in +dnl some special variables and do the link macro +dnl when WK_DO_LINK_FILES is called +dnl This is a workaround for AC_LINK_FILES, because it does not work +dnl correct when using a caching scheme +dnl +define(WK_LINK_FILES, + [ if test "x$wk_link_files_src" = "x"; then + wk_link_files_src="$1" + wk_link_files_dst="$2" + else + wk_link_files_src="$wk_link_files_src $1" + wk_link_files_dst="$wk_link_files_dst $2" + fi + ]) +define(WK_DO_LINK_FILES, + [ AC_LINK_FILES( $wk_link_files_src, $wk_link_files_dst ) + ]) + + +dnl WK_CHECK_ENDIAN +dnl define either LITTLE_ENDIAN_HOST or BIG_ENDIAN_HOST +dnl +define(WK_CHECK_ENDIAN, + [ if test "$cross_compiling" = yes; then + AC_MSG_WARN(cross compiling; assuming little endianess) + fi + AC_MSG_CHECKING(endianess) + AC_CACHE_VAL(wk_cv_c_endian, + [ wk_cv_c_endian=unknown + # See if sys/param.h defines the BYTE_ORDER macro. + AC_TRY_COMPILE([#include <sys/types.h> + #include <sys/param.h>], [ + #if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN + bogus endian macros + #endif], [# It does; now see whether it defined to BIG_ENDIAN or not. + AC_TRY_COMPILE([#include <sys/types.h> + #include <sys/param.h>], [ + #if BYTE_ORDER != BIG_ENDIAN + not big endian + #endif], wk_cv_c_endian=big, wk_cv_c_endian=big)]) + if test "$wk_cv_c_endian" = unknown; then + AC_TRY_RUN([main () { + /* Are we little or big endian? From Harbison&Steele. */ + union + { + long l; + char c[sizeof (long)]; + } u; + u.l = 1; + exit (u.c[sizeof (long) - 1] == 1); + }], + wk_cv_c_endian=little, + wk_cv_c_endian=big, + wk_cv_c_endian=little + ) + fi + ]) + AC_MSG_RESULT([$wk_cv_c_endian]) + if test "$wk_cv_c_endian" = little; then + AC_DEFINE(LITTLE_ENDIAN_HOST) + else + AC_DEFINE(BIG_ENDIAN_HOST) + fi + ]) + +dnl WK_CHECK_CACHE +dnl +define(WK_CHECK_CACHE, + [ AC_MSG_CHECKING(cached information) + wk_hostcheck="$target" + AC_CACHE_VAL(wk_cv_hostcheck, [ wk_cv_hostcheck="$wk_hostcheck" ]) + if test "$wk_cv_hostcheck" != "$wk_hostcheck"; then + AC_MSG_RESULT(changed) + AC_MSG_WARN(config.cache exists!) + AC_MSG_ERROR(you must do 'make distclean' first to compile for + different target or different parameters.) + else + AC_MSG_RESULT(ok) + fi + ]) + + |