$ rpmbuild -bc stegotools.spec 
Exécution_de(%prep): /bin/sh -e /var/tmp/rpm-tmp.41769
+ umask 022
+ cd /home/builder/rpmbuild/BUILD
+ LANG=C
+ export LANG
+ unset DISPLAY
+ cd /home/builder/rpmbuild/BUILD
+ rm -rf stegotools-0.4b
+ /usr/bin/bzip2 -dc /home/builder/rpmbuild/SOURCES/stegotools-0.4b.tar.bz2
+ tar -xf -
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd stegotools-0.4b
++ /usr/bin/id -u
+ '[' 501 = 0 ']'
++ /usr/bin/id -u
+ '[' 501 = 0 ']'
+ /bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ exit 0
Exécution_de(%build): /bin/sh -e /var/tmp/rpm-tmp.4802
+ umask 022
+ cd /home/builder/rpmbuild/BUILD
+ cd stegotools-0.4b
+ LANG=C
+ export LANG
+ unset DISPLAY
+ make -j3
gcc stegread.c -o stegread
stegread.c: In function 'main':
stegread.c:72: warning: incompatible implicit declaration of built-in function 'malloc'
stegread.c: In function 'bmp_read':
stegread.c:95: warning: incompatible implicit declaration of built-in function 'exit'
gcc stegwrite.c -o stegwrite
stegwrite.c: In function 'main':
stegwrite.c:92: warning: incompatible implicit declaration of built-in function 'malloc'
stegwrite.c: In function 'bmp_write':
stegwrite.c:140: warning: incompatible implicit declaration of built-in function 'exit'
stegwrite.c:151: warning: incompatible implicit declaration of built-in function 'exit'
+ exit 0