78 lines
2.2 KiB
Plaintext
78 lines
2.2 KiB
Plaintext
dnl $Id: check-compile-et.m4,v 1.6 2001/09/02 17:08:48 assar Exp $
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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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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 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 ${COMPILE_ET} conftest_et.et >/dev/null 2>&1; then
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dnl XXX Some systems have <et/com_err.h>.
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save_CPPFLAGS="${save_CPPFLAGS}"
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if test -d "/usr/include/et"; then
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CPPFLAGS="-I/usr/include/et ${CPPFLAGS}"
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fi
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dnl Check that the `prefix' and `index' directives were honored.
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AC_TRY_RUN([
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#include <com_err.h>
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#include <string.h>
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#include "conftest_et.h"
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int main(){return (CONFTEST_CODE2 - CONFTEST_CODE1) != 127;}
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], [krb_cv_compile_et="yes"],[CPPFLAGS="${save_CPPFLAGS}"])
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fi
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AC_MSG_RESULT(${krb_cv_compile_et})
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rm -fr conftest*
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fi
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if test "${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_TRY_LINK([#include <com_err.h>],[
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const char *p;
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p = error_message(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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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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fi
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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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