diff options
Diffstat (limited to 'crypto/heimdal/cf/check-compile-et.m4')
-rw-r--r-- | crypto/heimdal/cf/check-compile-et.m4 | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/crypto/heimdal/cf/check-compile-et.m4 b/crypto/heimdal/cf/check-compile-et.m4 new file mode 100644 index 0000000..080faeb --- /dev/null +++ b/crypto/heimdal/cf/check-compile-et.m4 @@ -0,0 +1,77 @@ +dnl $Id: check-compile-et.m4,v 1.6 2001/09/02 17:08:48 assar Exp $ +dnl +dnl CHECK_COMPILE_ET +AC_DEFUN([CHECK_COMPILE_ET], [ + +AC_CHECK_PROG(COMPILE_ET, compile_et, [compile_et]) + +krb_cv_compile_et="no" +if test "${COMPILE_ET}" = "compile_et"; then + +dnl We have compile_et. Now let's see if it supports `prefix' and `index'. +AC_MSG_CHECKING(whether compile_et has the features we need) +cat > conftest_et.et <<'EOF' +error_table conf +prefix CONFTEST +index 1 +error_code CODE1, "CODE1" +index 128 +error_code CODE2, "CODE2" +end +EOF +if ${COMPILE_ET} conftest_et.et >/dev/null 2>&1; then + dnl XXX Some systems have <et/com_err.h>. + save_CPPFLAGS="${save_CPPFLAGS}" + if test -d "/usr/include/et"; then + CPPFLAGS="-I/usr/include/et ${CPPFLAGS}" + fi + dnl Check that the `prefix' and `index' directives were honored. + AC_TRY_RUN([ +#include <com_err.h> +#include <string.h> +#include "conftest_et.h" +int main(){return (CONFTEST_CODE2 - CONFTEST_CODE1) != 127;} + ], [krb_cv_compile_et="yes"],[CPPFLAGS="${save_CPPFLAGS}"]) +fi +AC_MSG_RESULT(${krb_cv_compile_et}) +rm -fr conftest* +fi + +if test "${krb_cv_compile_et}" = "yes"; then + dnl Since compile_et seems to work, let's check libcom_err + krb_cv_save_LIBS="${LIBS}" + LIBS="${LIBS} -lcom_err" + AC_MSG_CHECKING(for com_err) + AC_TRY_LINK([#include <com_err.h>],[ + const char *p; + p = error_message(0); + ],[krb_cv_com_err="yes"],[krb_cv_com_err="no"; CPPFLAGS="${save_CPPFLAGS}"]) + AC_MSG_RESULT(${krb_cv_com_err}) + LIBS="${krb_cv_save_LIBS}" +else + dnl Since compile_et doesn't work, forget about libcom_err + krb_cv_com_err="no" +fi + +dnl Only use the system's com_err if we found compile_et, libcom_err, and +dnl com_err.h. +if test "${krb_cv_com_err}" = "yes"; then + DIR_com_err="" + LIB_com_err="-lcom_err" + LIB_com_err_a="" + LIB_com_err_so="" + AC_MSG_NOTICE(Using the already-installed com_err) +else + COMPILE_ET="\$(top_builddir)/lib/com_err/compile_et" + DIR_com_err="com_err" + LIB_com_err="\$(top_builddir)/lib/com_err/libcom_err.la" + LIB_com_err_a="\$(top_builddir)/lib/com_err/.libs/libcom_err.a" + LIB_com_err_so="\$(top_builddir)/lib/com_err/.libs/libcom_err.so" + AC_MSG_NOTICE(Using our own com_err) +fi +AC_SUBST(DIR_com_err) +AC_SUBST(LIB_com_err) +AC_SUBST(LIB_com_err_a) +AC_SUBST(LIB_com_err_so) + +]) |