[Ffmpeg-devel] [PATCH] build with '--enable-gprof'

[Dmitry Antipov]

Michael Niedermayer wrote:

>> But ffmpeg compiles without '-fPIC' or '-fpic' even if '--enable-shared', and only
>> vhook compiles with PIC option(s). Is this a bug :-) ?
> 
> i dont think this is true for x86 on all OSs

$ svn update

Fetching external item into 'libswscale'
External at revision 21590.

At revision 7278.
$  ./configure --prefix=/usr --enable-x264 --enable-gpl --enable-mp3lame --enable-libogg --enable-vorbis --enable-xvid --enable-shared
install prefix   /usr
source path      /home/dima/tmp/MPlayerStuff/ffmpeg
C compiler       gcc
make             make
ARCH             x86_32 (generic)
big-endian       no
MMX enabled      yes
CMOV enabled     no
CMOV is fast     no
gprof enabled    no
zlib enabled     yes
libgsm enabled   no
mp3lame enabled  yes
libnut enabled   no
libogg enabled   yes
Vorbis enabled   yes
FAAD enabled     no
faadbin enabled  no
FAAC enabled     no
XviD enabled     yes
x264 enabled     yes
a52 support      no
a52 dlopened     no
DTS support      no
pp support       no
Software Scaler enabled no
AVISynth enabled no
debug symbols    yes
strip symbols    yes
optimize         yes
static           yes
shared           yes
video hooking    yes
SDL support      yes
Imlib2 support   yes
FreeType support yes
Sun medialib support no
pthreads support no
AMR-NB float support no
AMR-NB fixed support no
AMR-WB float support no
AMR-WB IF2 support no
network support      yes
IPv6 support         yes
.align is power-of-two no
License: GPL
Creating config.mak and config.h...
$ cd libavcodec
$ make
gcc -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libswscale   -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavutil -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -O3  -c -o bitstream.o bitstream.c
gcc -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libswscale   -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavutil -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -O3  -c -o utils.o utils.c
gcc -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libswscale   -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavutil -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -O3  -c -o allcodecs.o allcodecs.c

[...skipped...]

$ cd ../vhook/
$ make
gcc -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg" -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavutil -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavcodec -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libavformat -I"/home/dima/tmp/MPlayerStuff/ffmpeg"/libswscale -fPIC  -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -O3 -DHAVE_AV_CONFIG_H `freetype-config --cflags`   -c -o null.o null.c

[...skipped...]

$ cd ..
$ grep -i flags config.mak  common.mak Makefile | grep -i pic
config.mak:VHOOKCFLAGS=-fPIC  -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -O3

Am I doing wrong something ?

Dmitry