Summary: Compile fdlibm with -O3 and relevant C flags on gcc arches.
Reviewed-by: mbaesken, andrew

Summary: Use 'hg id -i' instead of 'hg tip' for obtaining the source revision
Reviewed-by: andrew

Reviewed-by: phh, martin

Reviewed-by: erikj, dholmes

Summary: Add FONTCONFIG_CFLAGS declaration.
Reviewed-by: erikj, prr

Reviewed-by: erikj, martin, tbell, aph

Summary: 8036003 adds STRIP_POLICY=no_strip conditionals in some areas, but not for ZIP_DEBUGINFO_FILES blocks
Reviewed-by: erikj

Reviewed-by: shade

Reviewed-by: serb, erikj