Commit 61f52a04 authored by Kean Johnston's avatar Kean Johnston
Browse files

[3119] Added a comment regarding autoconf macros used.

As per review added a comment about the use of $ac_header_preproc.
parent 43c72256
......@@ -754,6 +754,12 @@ CPPFLAGS_SAVED=$CPPFLAGS
CPPFLAGS="$BOTAN_INCLUDES $CPPFLAGS"
LIBS_SAVED="$LIBS"
LIBS="$LIBS $BOTAN_LIBS"
dnl ac_header_preproc is an autoconf symbol (undocumented but stable) that
dnl is set if the pre-processor phase passes. Thus by adding a custom
dnl failure handler we can detect the difference between a header no existing
dnl (or not even passing the pre-processor phase) and a header file resulting
dnl in compilation failures.
AC_CHECK_HEADERS([botan/botan.h],,[
if test "x$ac_header_preproc" = "xyes"; then
AC_MSG_ERROR([
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment