[flac-dev] 1.21 vs 1.3 encoding speed

Erik de Castro Lopo
Sat, 26 Jul 2014 22:18:07 -0000

lvqcl wrote:

> I just built FLAC and noticed that the size of flac.exe is noticeably
bigger,
> so I compared the generated Makefiles before ang after this change.
>
> The difference is: "-g -O2" options were added to CFLAGS.
>
> before:
> CFLAGS = -O3 -funroll-loops -Wall -W -Winline -Wall -Wextra
-Wstrict-prototypes
> -Wmissing-prototypes -Waggregate-return -Wcast-align -Wnested-externs
-Wshadow
> -Wundef -Wmissing-declarations -Wunreachable-code
-Wdeclaration-after-statement
> -D_FORTIFY_SOURCE=2 -msse2 -Wextra
>
> after:
> CFLAGS = -O3 -funroll-loops -Wall -W -Winline -g -O2 -Wall -Wextra
> -Wstrict-prototypes -Wmissing-prototypes -Waggregate-return -Wcast-align
> -Wnested-externs -Wshadow -Wundef -Wmissing-declarations -Wunreachable-code
> -Wdeclaration-after-statement -D_FORTIFY_SOURCE=2 -msse2 -Wextra

Well -g asks the compiler to add debug symbols. What hapens if you strip
the binary?

Erik
--
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Erik de Castro Lopo