Describe variables which make itself takes and adjusts compilation
accordingly (MOZILLA_SHA1, NO_OPENSSL, PPC_SHA1), and make adding
defines more convenient through the $DEFINES variable. $COPTS includes
-g as well now and is not overriden if it was already declared in the
environment. Also, $CFLAGS is appended to rather than reset, so that if
there was already a $CFLAGS environment variable, it's appended to. Some
more variables are also made overridable through the environment. Renamed
$bin to $bindir which is the name commonly used for this.
This is part of the Cogito Makefile changes port.
Signed-off-by: Petr Baudis <[EMAIL PROTECTED]>
author Petr Baudis <[EMAIL PROTECTED]> Fri, 29 Jul 2005 15:45:42 +0200
committer Petr Baudis <[EMAIL PROTECTED]> Fri, 29 Jul 2005 15:45:42 +0200
Makefile | 56 ++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 38 insertions(+), 18 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,33 +1,53 @@
-# -DCOLLISION_CHECK if you believe that SHA1's
-# 1461501637330902918203684832716283019655932542976 hashes do not give you
-# enough guarantees about no collisions between objects ever hapenning.
+# 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.
-# -DUSE_NSEC if you want git to care about sub-second file mtimes and ctimes.
-# -DUSE_STDEV if you want git to care about st_dev changing
+# Define NO_OPENSSL environment variable if you do not have OpenSSL. You will
+# miss out git-rev-list --merge-order. This also implies MOZILLA_SHA1.
-# Note that you need some new 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 PPC_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine optimized for PowerPC.
+# 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.
+# DEFINES += -DCOLLISION_CHECK
+# 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).
+# DEFINES += -DUSE_NSEC
+# 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.
+# DEFINES += -DUSE_STDEV
-CFLAGS=-g $(COPTS) -Wall
+CFLAGS+=$(COPTS) -Wall $(DEFINES)
# sparse is architecture-neutral, which means that we need to tell it
# explicitly what architecture to check for. Fix this up for yours..
SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \
git-pull-script git-tag-script git-resolve-script git-whatchanged \
@@ -57,7 +77,7 @@ PROG= git-update-cache git-diff-files
install: $(PROG) $(SCRIPTS)
- $(INSTALL) -m755 -d $(dest)$(bin)
+ $(INSTALL) -m755 -d $(dest)$(bindir)
$(INSTALL) $(PROG) $(SCRIPTS) $(dest)$(bin)
LIB_OBJS=read-cache.o sha1_file.o usage.o object.o commit.o tree.o blob.o \
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