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Perl interface: add build-time configuration to allow building with -fPIC 

On x86-64 it seems that Git.xs does not link without compiling
the main git objects with -fPIC.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-06-23 17:57:48 -07:00
parent 8f00660fc1
commit f6af75d29c
1 changed files with 13 additions and 7 deletions
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20
Makefile
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@ -1,11 +1,6 @@
# The default target of this Makefile is...
all:
# Define MOZILLA_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
# choice) has very fast version optimized for i586.
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# This also implies MOZILLA_SHA1.
#
@ -39,6 +34,14 @@ all:
# Define ARM_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for ARM.
#
# Define MOZILLA_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
# choice) has very fast version optimized for i586.
#
# Define USE_PIC if you need the main git objects to be built with -fPIC
# in order to build and link perl/Git.so. x86-64 seems to need this.
#
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
@ -65,13 +68,13 @@ all:
# Define COLLISION_CHECK below if you believe that SHA1's
# 1461501637330902918203684832716283019655932542976 hashes do not give you
# sufficient guarantee that no collisions between objects will ever happen.
#
# Define USE_NSEC below if you want git to care about sub-second file mtimes
# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
# randomly break unless your underlying filesystem supports those sub-second
# times (my ext3 doesn't).
#
# Define USE_STDEV below if you want git to care about the underlying device
# change being considered an inode change from the update-cache perspective.
@ -464,6 +467,9 @@ else
endif
endif
endif
ifdef USE_PIC
ALL_CFLAGS += -fPIC
endif
ifdef NO_ACCURATE_DIFF
ALL_CFLAGS += -DNO_ACCURATE_DIFF
endif