generate cyassl/options.h based on ./configure flags/settings for user app use

.gitignore

@@ -15,6 +15,7 @@ config*
 build-aux/
 rpm/spec
 stamp-h
+cyassl/options.h
 libtool.m4
 aclocal.m4
 aminclude.am

configure.ac

@@ -1252,6 +1252,7 @@ AX_HARDEN_CC_COMPILER_FLAGS
 
 # add user C_EXTRA_FLAGS back
 CFLAGS="$CFLAGS $USER_C_EXTRA_FLAGS"
+OPTION_FLAGS="$USER_C_EXTRA_FLAGS $AM_CFLAGS"
 
 CREATE_HEX_VERSION
 AC_SUBST([AM_CPPFLAGS])
@@ -1262,6 +1263,7 @@ AC_SUBST([AM_LDFLAGS])
 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([cyassl/version.h])
+AC_CONFIG_FILES([cyassl/options.h])
 AC_CONFIG_FILES([support/libcyassl.pc])
 AC_CONFIG_FILES([rpm/spec])
 
@@ -1270,11 +1272,48 @@ AX_AM_JOBSERVER([yes])
 
 AC_OUTPUT
 
+
+# force make clean
 echo "---"
 echo "Running make clean..."
 make clean >/dev/null 2>&1
 echo
 
+# generate user options header 
+echo "---"
+echo "Generating user options header..."
+OPTION_FILE="cyassl/options.h"
+rm -f $OPTION_FILE
+
+echo "/* cyassl options.h */" >> $OPTION_FILE 
+echo "" >> $OPTION_FILE 
+echo "#pragma once" >> $OPTION_FILE 
+echo "" >> $OPTION_FILE 
+echo "#ifdef __cplusplus" >> $OPTION_FILE 
+echo "extern \"C\" {" >> $OPTION_FILE 
+echo "#endif" >> $OPTION_FILE 
+echo "" >> $OPTION_FILE 
+
+for option in $OPTION_FLAGS; do
+    defonly=`echo $option | sed 's/-D//'`
+    if test "$defonly" != "$option"
+    then
+        echo "#undef  $defonly" >> $OPTION_FILE 
+        echo "#define $defonly" >> $OPTION_FILE 
+        echo "" >> $OPTION_FILE 
+    else
+        echo "option w/o begin -D is $option, not saving to $OPTION_FILE"
+    fi
+done
+
+echo "" >> $OPTION_FILE 
+echo "#ifdef __cplusplus" >> $OPTION_FILE 
+echo "}" >> $OPTION_FILE 
+echo "#endif" >> $OPTION_FILE 
+echo "" >> $OPTION_FILE 
+echo
+
+# output config summary
 echo "---"
 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
 echo ""

cyassl/include.am

@@ -17,5 +17,6 @@ nobase_include_HEADERS+= \
                          cyassl/certs_test.h \
                          cyassl/test.h \
                          cyassl/version.h \
+                         cyassl/options.h \
                          cyassl/ocsp.h \
                          cyassl/crl.h

cyassl/options.h.in

@@ -0,0 +1,33 @@
+/* options.h.in
+ *
+ * Copyright (C) 2006-2013 wolfSSL Inc.
+ *
+ * This file is part of CyaSSL.
+ *
+ * CyaSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * CyaSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+