ssiapi: Fix build with hardening flags

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/ssiapi/ssiapi/configure-cflags.patch

@@ -0,0 +1,21 @@
+Do not override flags thereby respect the flags coming from environment,
+e.g. we need some optimization level turned on when security flags are enabled
+without this change, the build would fail
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Index: ssiapi.1.0.1/configure.ac
+===================================================================
+--- ssiapi.1.0.1.orig/configure.ac
++++ ssiapi.1.0.1/configure.ac
+@@ -15,11 +15,6 @@ AC_SUBST(VERSION)
+ AM_INIT_AUTOMAKE(ssi, ${VERSION})
+ AM_CONFIG_HEADER(config.h)
+ 
+-dnl Set the language we use
+-CPPFLAGS="-g3 -gdwarf-2 -Wall -Werror -D_GNU_SOURCE"
+-CFLAGS="-std=gnu99"
+-CXXFLAGS="-std=gnu++98"
+-
+ dnl Automake 1.11 - silent build rules
+ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+ 

meta-oe/recipes-support/ssiapi/ssiapi_1.0.1.bb

@@ -17,6 +17,7 @@ SRC_URI = "http://sourceforge.net/projects/irstessi/files/${BPN}.${PV}.tgz \
            file://0004-engine-Fix-indentation-and-missing-semi-colon.patch \
            file://0005-engine-Define-SENTINEL.patch \
            file://0006-tools-Add-missing-includes-and-use-realpath-instead-.patch \
+           file://configure-cflags.patch \
 "
 SRC_URI[md5sum] = "02f16d7cbd30d28034093212906591f5"
 SRC_URI[sha256sum] = "e10d283b0f211afb8ebd0bde87c097769613d30a052cdf164753e35e803264c7"
@@ -24,6 +25,7 @@ SRC_URI[sha256sum] = "e10d283b0f211afb8ebd0bde87c097769613d30a052cdf164753e35e80
 S ="${WORKDIR}/${BPN}.${PV}"
 
 inherit autotools-brokensep
+CXXFLAGS="-std=gnu++98 -D_GNU_SOURCE"
 
 do_configure_prepend(){
     ./autogen.sh