diff options
| author | Hiltjo Posthuma <hiltjo@codemadness.org> | 2021-04-27 18:30:02 +0200 |
|---|---|---|
| committer | Hiltjo Posthuma <hiltjo@codemadness.org> | 2021-04-28 18:26:57 +0200 |
| commit | a211bea6a5f0ad811a679458cffed1e263c0ccfa (patch) | |
| tree | bf7bdad35a890c69fe4e539b4724cd9213b39f37 /Makefile | |
| parent | 675cfe6a73b369d1eb7adefa6e59dc37259a513d (diff) | |
enable unlocked I/O by default
getchar_unlocked is part of POSIX and should be supported by most platforms. On
all tested platforms it has a performance benefit, sometimes smallish (<12%),
sometimes large (~40%).
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -15,6 +15,10 @@ SFEED_CFLAGS = ${CFLAGS} SFEED_LDFLAGS = ${LDFLAGS} SFEED_CPPFLAGS = -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -D_BSD_SOURCE +# uncomment for convervative locked I/O. +#SFEED_CPPFLAGS = -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -D_BSD_SOURCE \ +# -DGETNEXT=getchar + BIN = \ sfeed\ sfeed_atom\ |