Downloaded the git-2.1.0.tar.gz tarball.
Cannot build git 2.1.0:
$ V=1 make prefix=/usr/local all
...
cc -o xdiff/xpatience.o -c -MF xdiff/.depend/xpatience.o.d -MQ xdiff/xpatience.o -MMD -MP -g -O2 -Wall -I.
-DHAVE_ALLOCA_H -DHAVE_PATHS_H -DHAVE_DEV_TTY -DHAVE_CLOCK_GETTIME -DSHA1_HEADER='<openssl/sha.h>' -DNO_STRLCPY
-DNO_MKSTEMPS -DSHELL_PATH='"/bin/sh"' xdiff/xpatience.c
cc -o xdiff/xhistogram.o -c -MF xdiff/.depend/xhistogram.o.d -MQ xdiff/xhistogram.o -MMD -MP -g -O2 -Wall -I.
-DHAVE_ALLOCA_H -DHAVE_PATHS_H -DHAVE_DEV_TTY -DHAVE_CLOCK_GETTIME -DSHA1_HEADER='<openssl/sha.h>' -DNO_STRLCPY
-DNO_MKSTEMPS -DSHELL_PATH='"/bin/sh"' xdiff/xhistogram.c
rm -f xdiff/lib.a && ar rcs xdiff/lib.a xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o xdiff/xmerge.o
xdiff/xpatience.o xdiff/xhistogram.o
cc -g -O2 -Wall -I. -DHAVE_ALLOCA_H -DHAVE_PATHS_H -DHAVE_DEV_TTY -DHAVE_CLOCK_GETTIME
-DSHA1_HEADER='<openssl/sha.h>' -DNO_STRLCPY -DNO_MKSTEMPS -DSHELL_PATH='"/bin/sh"' -o git-credential-store
credential-store.o libgit.a xdiff/lib.a -lz -lcrypto -lpthread -lrt
collect2: ld returned 1 exit status
make: *** [git-credential-store] Error 1 $ ls -l credential.o libgit.a xdiff/lib.a /usr/lib/libz.a /usr/lib/libcrypt.a /usr/lib/libpthread.a /usr/lib/librt.a
-rw-rw-r-- 1 greno greno 20332 Sep 9 16:21 credential.o
-rw-rw-r-- 1 greno greno 4658874 Sep 9 16:23 libgit.a
-rw-r--r-- 1 root root 24272 Jan 5 2007 /usr/lib/libcrypt.a
-rw-r--r-- 1 root root 228586 Jan 5 2007 /usr/lib/libpthread.a
-rw-r--r-- 1 root root 52128 Jan 5 2007 /usr/lib/librt.a
-rwxr-xr-x 1 root root 92622 Jul 19 2006 /usr/lib/libz.a
-rw-rw-r-- 1 greno greno 122456 Sep 9 16:23 xdiff/lib.a