Synchronize library ABI levels

Bump library SOVERSION under Linux to match FreeBSD's.

Additionally, this bump properly accounts for the ABI changes relative
to ZoL 0.8.5 for the Linux build.

Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Antonio Russo <[email protected]>
Issue #11144

Author: aerusso

lib/libnvpair/Makefile.am

@@ -37,8 +37,4 @@ if !ASAN_ENABLED
 libnvpair_la_LDFLAGS += -Wl,-z,defs
 endif
 
-if BUILD_FREEBSD
 libnvpair_la_LDFLAGS += -version-info 3:0:0
-else
-libnvpair_la_LDFLAGS += -version-info 1:1:0
-endif

lib/libuutil/Makefile.am

@@ -27,8 +27,4 @@ if !ASAN_ENABLED
 libuutil_la_LDFLAGS += -Wl,-z,defs
 endif
 
-if BUILD_FREEBSD
 libuutil_la_LDFLAGS += -version-info 3:0:0
-else
-libuutil_la_LDFLAGS += -version-info 1:1:0
-endif

lib/libzfs/Makefile.am

@@ -84,10 +84,9 @@ endif
 
 if BUILD_FREEBSD
 libzfs_la_LIBADD += -lutil -lgeom
-libzfs_la_LDFLAGS += -version-info 4:0:0
-else
-libzfs_la_LDFLAGS += -version-info 2:0:0
 endif
 
+libzfs_la_LDFLAGS += -version-info 4:0:0
+
 # Licensing data
 EXTRA_DIST = THIRDPARTYLICENSE.openssl THIRDPARTYLICENSE.openssl.descrip

lib/libzfs_core/Makefile.am

@@ -23,7 +23,6 @@ endif
 
 if BUILD_FREEBSD
 libzfs_core_la_LIBADD += -lutil -lgeom
-libzfs_core_la_LDFLAGS += -version-info 3:0:0
-else
-libzfs_core_la_LDFLAGS += -version-info 1:0:0
 endif
+
+libzfs_core_la_LDFLAGS += -version-info 3:0:0

lib/libzpool/Makefile.am

@@ -226,11 +226,10 @@ endif
 
 if BUILD_FREEBSD
 libzpool_la_LIBADD += -lgeom
-libzpool_la_LDFLAGS += -version-info 4:0:0
-else
-libzpool_la_LDFLAGS += -version-info 2:0:0
 endif
 
+libzpool_la_LDFLAGS += -version-info 4:0:0
+
 if TARGET_CPU_POWERPC
 vdev_raidz_math_powerpc_altivec.$(OBJEXT): CFLAGS += -maltivec
 vdev_raidz_math_powerpc_altivec.l$(OBJEXT): CFLAGS += -maltivec