Commit ad5750db authored by Kean Johnston's avatar Kean Johnston
Browse files

[3119] Minor cosmetic cleanups as per review

parent 61f52a04
......@@ -755,22 +755,23 @@ CPPFLAGS="$BOTAN_INCLUDES $CPPFLAGS"
LIBS_SAVED="$LIBS"
LIBS="$LIBS $BOTAN_LIBS"
dnl ac_header_preproc is an autoconf symbol (undocumented but stable) that
dnl is set if the pre-processor phase passes. Thus by adding a custom
dnl failure handler we can detect the difference between a header no existing
dnl (or not even passing the pre-processor phase) and a header file resulting
dnl in compilation failures.
# ac_header_preproc is an autoconf symbol (undocumented but stable) that
# is set if the pre-processor phase passes. Thus by adding a custom
# failure handler we can detect the difference between a header not existing
# (or not even passing the pre-processor phase) and a header file resulting
# in compilation failures.
AC_CHECK_HEADERS([botan/botan.h],,[
if test "x$ac_header_preproc" = "xyes"; then
AC_MSG_ERROR([
if test "x$ac_header_preproc" = "xyes"; then
AC_MSG_ERROR([
botan/botan.h was found but is unusable. The most common cause of this problem
is attempting to use an updated C++ compiler with older C++ libraries, such as
the version of Botan that comes with your distribution. If you have updated
your C++ compiler we highly recommend that you use support libraries such as
Boost and Botan that were compiled with the same compiler version.])
else
AC_MSG_ERROR([Missing required header files.])
fi])
else
AC_MSG_ERROR([Missing required header files.])
fi]
)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <botan/botan.h>
#include <botan/hash.h>
......
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