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diff -up ./esc/configure.ac.fix12 ./esc/configure.ac
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--- ./esc/configure.ac.fix12	2021-09-27 14:53:49.932567105 -0700
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+++ ./esc/configure.ac	2021-09-27 15:31:30.949185258 -0700
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@@ -47,6 +47,30 @@ PKG_CHECK_MODULES([DBUS],[dbus-1])
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 AC_PROG_CC_STDC
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 # Compiler flags
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+
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+AC_CANONICAL_HOST
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+ARCH_CPPFLAGS=""
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+ARCH_CFLAGS=""
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+
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+AS_CASE([$host_os],
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+        [linux*],
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+        [
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+           AS_CASE([$host_cpu],
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+                   [x86_64],
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+                   [
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+                       ARCH_CPPFLAGS="-fcf-protection=full"
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+                       ARCH_CFLAGS="-fcf-protection=full"
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+                   ],
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+                   [i?86],
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+                   [
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+                       ARCH_CPPFLAGS="-fcf-protection=full"
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+                       ARCH_CFLAGS="-fcf-protection=full"
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+                   ])
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+        ])
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+AC_SUBST(ARCH_CPPFLAGS)
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+AC_SUBST(ARCH_CFLAGS)
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+
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+
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 ESC_CFLAGS="$GOBJECT_CFLAGS"
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 ESC_LIBS="$GOBJECT_LIBS $NSS_LIBS" 
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diff -up ./esc/src/lib/coolkey/Makefile.am.fix12 ./esc/src/lib/coolkey/Makefile.am
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--- ./esc/src/lib/coolkey/Makefile.am.fix12	2021-09-27 15:26:24.130634037 -0700
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+++ ./esc/src/lib/coolkey/Makefile.am	2021-09-27 15:27:24.332545740 -0700
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@@ -24,7 +24,7 @@ EXTRA_DIST =
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 DISTCLEANFILES =
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 lib_LTLIBRARIES =
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 bin_PROGRAMS =
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-COOLKEY_CFLAGS=-D_FORTIFY_SOURCE=2 -fcf-protection=full
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+COOLKEY_CFLAGS=-D_FORTIFY_SOURCE=2 $(ARCH_CFLAGS)
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 AM_CPPFLAGS += \
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 	$(COOLKEY_CFLAGS) \
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diff -up ./esc/src/lib/coolkey-mgr/Makefile.am.fix12 ./esc/src/lib/coolkey-mgr/Makefile.am
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--- ./esc/src/lib/coolkey-mgr/Makefile.am.fix12	2021-09-27 15:34:18.400943562 -0700
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+++ ./esc/src/lib/coolkey-mgr/Makefile.am	2021-09-27 15:34:51.020896480 -0700
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@@ -24,7 +24,7 @@ EXTRA_DIST =
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 DISTCLEANFILES =
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 lib_LTLIBRARIES =
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 bin_PROGRAMS =
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-COOLKEY_MGR_CFLAGS=-fcf-protection=full
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+COOLKEY_MGR_CFLAGS=$(ARCH_CFLAGS)
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 OTHER_CPPFLAGS = -I ../coolkey $(PCSC_CFLAGS) $(COOLKEY_MGR_CFLAGS)
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 OTHER_LIBS = -L../coolkey/.libs -lCoolkey-1.0 -L../nss-http-client/.libs -lNssHttpClient-1.0 $(DBUS_LIBS)
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diff -up ./esc/src/lib/nss-http-client/Makefile.am.fix12 ./esc/src/lib/nss-http-client/Makefile.am
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--- ./esc/src/lib/nss-http-client/Makefile.am.fix12	2021-09-27 15:33:16.482032935 -0700
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+++ ./esc/src/lib/nss-http-client/Makefile.am	2021-09-27 15:34:04.524963592 -0700
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@@ -24,7 +24,7 @@ EXTRA_DIST =
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 DISTCLEANFILES =
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 lib_LTLIBRARIES =
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 bin_PROGRAMS =
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-NSS_HTTP_CLIENT_CFLAGS=-D_FORTIFY_SOURCE=2 -fcf-protection=full
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+NSS_HTTP_CLIENT_CFLAGS=-D_FORTIFY_SOURCE=2 $(ARCH_CFLAGS)
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 AM_CPPFLAGS += \
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 	$(NSS_HTTP_CLIENT_CFLAGS) \
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 	$(NULL)