Commit 703aa3cb authored by Marek Vavrusa's avatar Marek Vavrusa

Enable LTO and predictive commonning gcc flags if supported.

Improves real-world performance by about 5-10%
parent f254d366
......@@ -122,6 +122,10 @@ AC_ARG_ENABLE([recvmmsg],
recvmmsg=true
])
# Check for link time optimizations support and predictive commoning
AX_CHECK_COMPILER_FLAGS("-flto", [CFLAGS="$CFLAGS -flto"], [])
AX_CHECK_COMPILER_FLAGS("-fpredictive-commoning", [CFLAGS="$CFLAGS -fpredictive-commoning"], [])
# Checks for libraries.
# FIXME: Replace `main' with a function in `-lm':
# TODO: check if paths exist before appending
......
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