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-rw-r--r--Makefile11
-rw-r--r--cache.h1
-rwxr-xr-xci/lib.sh1
-rw-r--r--compat/zlib-uncompress2.c11
-rw-r--r--config.mak.uname7
-rw-r--r--configure.ac13
-rw-r--r--git-compat-util.h12
-rw-r--r--reftable/system.h11
8 files changed, 21 insertions, 46 deletions
diff --git a/Makefile b/Makefile
index 5580859afd..f194b2afc6 100644
--- a/Makefile
+++ b/Makefile
@@ -256,8 +256,6 @@ all::
#
# Define NO_DEFLATE_BOUND if your zlib does not have deflateBound.
#
-# Define NO_UNCOMPRESS2 if your zlib does not have uncompress2.
-#
# Define NO_NORETURN if using buggy versions of gcc 4.6+ and profile feedback,
# as the compiler can crash (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49299)
#
@@ -862,6 +860,7 @@ LIB_OBJS += commit-reach.o
LIB_OBJS += commit.o
LIB_OBJS += compat/obstack.o
LIB_OBJS += compat/terminal.o
+LIB_OBJS += compat/zlib-uncompress2.o
LIB_OBJS += config.o
LIB_OBJS += connect.o
LIB_OBJS += connected.o
@@ -1194,7 +1193,8 @@ THIRD_PARTY_SOURCES += compat/regex/%
THIRD_PARTY_SOURCES += sha1collisiondetection/%
THIRD_PARTY_SOURCES += sha1dc/%
-GITLIBS = common-main.o $(LIB_FILE) $(XDIFF_LIB) $(REFTABLE_LIB)
+# xdiff and reftable libs may in turn depend on what is in libgit.a
+GITLIBS = common-main.o $(LIB_FILE) $(XDIFF_LIB) $(REFTABLE_LIB) $(LIB_FILE)
EXTLIBS =
GIT_USER_AGENT = git/$(GIT_VERSION)
@@ -1726,11 +1726,6 @@ ifdef NO_DEFLATE_BOUND
BASIC_CFLAGS += -DNO_DEFLATE_BOUND
endif
-ifdef NO_UNCOMPRESS2
- BASIC_CFLAGS += -DNO_UNCOMPRESS2
- REFTABLE_OBJS += compat/zlib-uncompress2.o
-endif
-
ifdef NO_POSIX_GOODIES
BASIC_CFLAGS += -DNO_POSIX_GOODIES
endif
diff --git a/cache.h b/cache.h
index 281f00ab1b..3a0142aa56 100644
--- a/cache.h
+++ b/cache.h
@@ -18,7 +18,6 @@
#include "repository.h"
#include "mem-pool.h"
-#include <zlib.h>
typedef struct git_zstream {
z_stream z;
unsigned long avail_in;
diff --git a/ci/lib.sh b/ci/lib.sh
index 9d28ab50fb..cbc2f8f1ca 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -197,7 +197,6 @@ esac
case "$jobname" in
linux32)
CC=gcc
- MAKEFLAGS="$MAKEFLAGS NO_UNCOMPRESS2=1"
;;
linux-musl)
CC=gcc
diff --git a/compat/zlib-uncompress2.c b/compat/zlib-uncompress2.c
index 722610b971..77a1b08048 100644
--- a/compat/zlib-uncompress2.c
+++ b/compat/zlib-uncompress2.c
@@ -1,3 +1,6 @@
+#include "git-compat-util.h"
+
+#if ZLIB_VERNUM < 0x1290
/* taken from zlib's uncompr.c
commit cacf7f1d4e3d44d871b605da3b647f07d718623f
@@ -8,16 +11,11 @@
*/
-#include "../reftable/system.h"
-#define z_const
-
/*
* Copyright (C) 1995-2003, 2010, 2014, 2016 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
-#include <zlib.h>
-
/* clang-format off */
/* ===========================================================================
@@ -93,3 +91,6 @@ int ZEXPORT uncompress2 (
err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR :
err;
}
+#else
+static void *dummy_variable = &dummy_variable;
+#endif
diff --git a/config.mak.uname b/config.mak.uname
index c48db45106..92ea00c219 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -66,7 +66,6 @@ ifeq ($(uname_S),Linux)
# centos7/rhel7 provides gcc 4.8.5 and zlib 1.2.7.
ifneq ($(findstring .el7.,$(uname_R)),)
BASIC_CFLAGS += -std=c99
- NO_UNCOMPRESS2 = YesPlease
endif
endif
ifeq ($(uname_S),GNU/kFreeBSD)
@@ -266,10 +265,6 @@ ifeq ($(uname_S),FreeBSD)
FILENO_IS_A_MACRO = UnfortunatelyYes
endif
ifeq ($(uname_S),OpenBSD)
- # Versions < 7.0 need compatibility layer
- ifeq ($(shell expr "$(uname_R)" : "[1-6]\."),2)
- NO_UNCOMPRESS2 = UnfortunatelyYes
- endif
NO_STRCASESTR = YesPlease
NO_MEMMEM = YesPlease
USE_ST_TIMESPEC = YesPlease
@@ -525,7 +520,6 @@ ifeq ($(uname_S),Interix)
endif
endif
ifeq ($(uname_S),Minix)
- NO_UNCOMPRESS2 = YesPlease
NO_IPV6 = YesPlease
NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
NO_NSEC = YesPlease
@@ -581,7 +575,6 @@ ifeq ($(uname_S),NONSTOP_KERNEL)
NO_SETENV = YesPlease
NO_UNSETENV = YesPlease
NO_MKDTEMP = YesPlease
- NO_UNCOMPRESS2 = YesPlease
# Currently libiconv-1.9.1.
OLD_ICONV = UnfortunatelyYes
NO_REGEX = NeedsStartEnd
diff --git a/configure.ac b/configure.ac
index d60d494ee4..5ee25ec95c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -664,22 +664,9 @@ AC_LINK_IFELSE([ZLIBTEST_SRC],
NO_DEFLATE_BOUND=yes])
LIBS="$old_LIBS"
-AC_DEFUN([ZLIBTEST_UNCOMPRESS2_SRC], [
-AC_LANG_PROGRAM([#include <zlib.h>],
- [uncompress2(NULL,NULL,NULL,NULL);])])
-AC_MSG_CHECKING([for uncompress2 in -lz])
-old_LIBS="$LIBS"
-LIBS="$LIBS -lz"
-AC_LINK_IFELSE([ZLIBTEST_UNCOMPRESS2_SRC],
- [AC_MSG_RESULT([yes])],
- [AC_MSG_RESULT([no])
- NO_UNCOMPRESS2=yes])
-LIBS="$old_LIBS"
-
GIT_UNSTASH_FLAGS($ZLIB_PATH)
GIT_CONF_SUBST([NO_DEFLATE_BOUND])
-GIT_CONF_SUBST([NO_UNCOMPRESS2])
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
diff --git a/git-compat-util.h b/git-compat-util.h
index 1229c8296b..ea111a7b48 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1386,6 +1386,18 @@ void unleak_memory(const void *ptr, size_t len);
#define UNLEAK(var) do {} while (0)
#endif
+#define z_const
+#include <zlib.h>
+
+#if ZLIB_VERNUM < 0x1290
+/*
+ * This is uncompress2, which is only available in zlib >= 1.2.9
+ * (released as of early 2017). See compat/zlib-uncompress2.c.
+ */
+int uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source,
+ uLong *sourceLen);
+#endif
+
/*
* This include must come after system headers, since it introduces macros that
* replace system names.
diff --git a/reftable/system.h b/reftable/system.h
index 4907306c0c..18f9207dfe 100644
--- a/reftable/system.h
+++ b/reftable/system.h
@@ -16,17 +16,6 @@ https://developers.google.com/open-source/licenses/bsd
#include "hash.h" /* hash ID, sizes.*/
#include "dir.h" /* remove_dir_recursively, for tests.*/
-#include <zlib.h>
-
-#ifdef NO_UNCOMPRESS2
-/*
- * This is uncompress2, which is only available in zlib >= 1.2.9
- * (released as of early 2017)
- */
-int uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source,
- uLong *sourceLen);
-#endif
-
int hash_size(uint32_t id);
#endif