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diff -up redhat-rpm-config-9.1.0/macros.perf_build redhat-rpm-config-9.1.0/macros
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--- redhat-rpm-config-9.1.0/macros.perf_build 2014-01-10 14:27:21.038112706 +0200
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+++ redhat-rpm-config-9.1.0/macros 2014-01-10 14:27:25.410106657 +0200
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@@ -178,7 +178,14 @@ package or when debugging this package.\
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%_hardened_cflags %{?_hardened_build:%{_hardening_cflags}}
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%_hardened_ldflags %{?_hardened_build:%{_hardening_ldflags}}
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-%__global_cflags -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches %{_hardened_cflags}
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+#%_performance_build 0
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+%_performance_cflags %{?_performance_build:%{lua:\
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+local tcpu = rpm.expand("%{_target_cpu}")
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+if string.find(tcpu, "^ppc64") then\
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+ print("-O3")\
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+end}}
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+
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+%__global_cflags -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches %{_hardened_cflags} %{_performance_cflags}
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%__global_ldflags -Wl,-z,relro %{_hardened_ldflags}
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# Use these macros to differentiate between RH and other KMP implementation(s).
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