110 lines
3.4 KiB
Plaintext
110 lines
3.4 KiB
Plaintext
dnl $Id: check-compile-et.m4 19252 2006-12-06 13:32:55Z lha $
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dnl
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dnl CHECK_COMPILE_ET
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AC_DEFUN([CHECK_COMPILE_ET], [
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AC_CHECK_PROG(COMPILE_ET, compile_et, [compile_et])
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krb_cv_compile_et="no"
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krb_cv_com_err_need_r=""
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krb_cv_compile_et_cross=no
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if test "${COMPILE_ET}" = "compile_et"; then
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dnl We have compile_et. Now let's see if it supports `prefix' and `index'.
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AC_MSG_CHECKING(whether compile_et has the features we need)
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cat > conftest_et.et <<'EOF'
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error_table test conf
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prefix CONFTEST
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index 1
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error_code CODE1, "CODE1"
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index 128
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error_code CODE2, "CODE2"
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end
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EOF
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if ${COMPILE_ET} conftest_et.et >/dev/null 2>&1; then
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dnl XXX Some systems have <et/com_err.h>.
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save_CPPFLAGS="${CPPFLAGS}"
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if test -d "/usr/include/et"; then
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CPPFLAGS="-I/usr/include/et ${CPPFLAGS}"
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fi
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dnl Check that the `prefix' and `index' directives were honored.
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AC_RUN_IFELSE([
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#include <com_err.h>
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#include <string.h>
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#include "conftest_et.h"
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int main(int argc, char **argv){
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#ifndef ERROR_TABLE_BASE_conf
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#error compile_et does not handle error_table N M
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#endif
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return (CONFTEST_CODE2 - CONFTEST_CODE1) != 127;}
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], [krb_cv_compile_et="yes"],[CPPFLAGS="${save_CPPFLAGS}"],
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[krb_cv_compile_et="yes" krb_cv_compile_et_cross=yes] )
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fi
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AC_MSG_RESULT(${krb_cv_compile_et})
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if test "${krb_cv_compile_et}" = "yes" -a "${krb_cv_compile_et_cross}" = no; then
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AC_MSG_CHECKING([for if com_err generates a initialize_conf_error_table_r])
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AC_EGREP_CPP([initialize_conf_error_table_r.*struct et_list],
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[#include "conftest_et.h"],
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[krb_cv_com_err_need_r="ok"])
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if test X"$krb_cv_com_err_need_r" = X ; then
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AC_MSG_RESULT(no)
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krb_cv_compile_et=no
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else
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AC_MSG_RESULT(yes)
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fi
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fi
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rm -fr conftest*
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fi
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if test "${krb_cv_compile_et_cross}" = yes ; then
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krb_cv_com_err="cross"
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elif test "${krb_cv_compile_et}" = "yes"; then
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dnl Since compile_et seems to work, let's check libcom_err
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krb_cv_save_LIBS="${LIBS}"
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LIBS="${LIBS} -lcom_err"
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AC_MSG_CHECKING(for com_err)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <com_err.h>]],[[
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const char *p;
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p = error_message(0);
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initialize_error_table_r(0,0,0,0);
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]])],[krb_cv_com_err="yes"],[krb_cv_com_err="no"; CPPFLAGS="${save_CPPFLAGS}"])
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AC_MSG_RESULT(${krb_cv_com_err})
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LIBS="${krb_cv_save_LIBS}"
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else
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dnl Since compile_et doesn't work, forget about libcom_err
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krb_cv_com_err="no"
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fi
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dnl Only use the system's com_err if we found compile_et, libcom_err, and
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dnl com_err.h.
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if test "${krb_cv_com_err}" = "yes"; then
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DIR_com_err=""
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LIB_com_err="-lcom_err"
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LIB_com_err_a=""
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LIB_com_err_so=""
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AC_MSG_NOTICE(Using the already-installed com_err)
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localcomerr=no
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elif test "${krb_cv_com_err}" = "cross"; then
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DIR_com_err="com_err"
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LIB_com_err="\$(top_builddir)/lib/com_err/libcom_err.la"
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LIB_com_err_a="\$(top_builddir)/lib/com_err/.libs/libcom_err.a"
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LIB_com_err_so="\$(top_builddir)/lib/com_err/.libs/libcom_err.so"
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AC_MSG_NOTICE(Using our own com_err with toolchain compile_et)
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localcomerr=yes
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else
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COMPILE_ET="\$(top_builddir)/lib/com_err/compile_et"
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DIR_com_err="com_err"
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LIB_com_err="\$(top_builddir)/lib/com_err/libcom_err.la"
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LIB_com_err_a="\$(top_builddir)/lib/com_err/.libs/libcom_err.a"
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LIB_com_err_so="\$(top_builddir)/lib/com_err/.libs/libcom_err.so"
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AC_MSG_NOTICE(Using our own com_err)
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localcomerr=yes
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fi
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AM_CONDITIONAL(COM_ERR, test "$localcomerr" = yes)dnl
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AC_SUBST(DIR_com_err)
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AC_SUBST(LIB_com_err)
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AC_SUBST(LIB_com_err_a)
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AC_SUBST(LIB_com_err_so)
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])
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