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762f9ef3d9
Improve the autoconf code for finding libtirpc and do not assume the
headers are in /usr/include/tirpc.
Also remove this assumption from the `rpc/xdr.h` header in libspl and
use the same `#include_next` mechanism that is used for other libspl
headers.
Include pkg.m4 from pkg-config in config/ for PKG_CHECK_MODULES(), the
file license allows this.
Include ax_save_flags.m4 and ax_restore_flags.m4 from autoconf-archive,
the file licenses are compatible. Use the 2012 versions so as not rely
on a more recent autoconf feature AS_VAR_COPY(), which breaks some build
slaves.
Add new macro library `config/find_system_library.m4` which defines the
FIND_SYSTEM_LIBRARY() macro which is a convenience wrapper over using
PKG_CHECK_MODULES() with a fallback to standard library locations and
some sanity checks.
The parameters are:
```
FIND_SYSTEM_LIBRARY(VARIABLE-PREFIX, MODULE, HEADER, HEADER-PREFIXES,
LIBRARY, FUNCTIONS, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
```
`HEADER-PREFIXES` and `FUNCTIONS` are comma-separated m4 lists.
For libtirpc we are using:
```
FIND_SYSTEM_LIBRARY(LIBTIRPC, [libtirpc], [rpc/xdr.h], [tirpc], [tirpc],
[xdrmem_create], [], [...])
```
The headers are first checked for without the prefixes and then with.
This system works with pkg-config and falls back on checking standard
header/library locations, it can be easily overridden by the user by
setting the `PREFIX_CFLAGS` and `PREFIX_LIBS` variables which are
automatically added to the `./configure --help` output.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Closes #7422
Closes #8313
35 lines
678 B
Makefile
35 lines
678 B
Makefile
include $(top_srcdir)/config/Rules.am
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VPATH = \
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$(top_srcdir)/module/nvpair \
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$(top_srcdir)/lib/libnvpair
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# Includes kernel code, generate warnings for large stack frames
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# and required CFLAGS for libtirpc
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AM_CFLAGS += $(FRAME_LARGER_THAN) $(LIBTIRPC_CFLAGS)
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DEFAULT_INCLUDES += \
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-I$(top_srcdir)/include \
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-I$(top_srcdir)/lib/libspl/include
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lib_LTLIBRARIES = libnvpair.la
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USER_C = \
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libnvpair.c \
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libnvpair_json.c \
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nvpair_alloc_system.c
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KERNEL_C = \
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nvpair_alloc_fixed.c \
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nvpair.c \
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fnvpair.c
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nodist_libnvpair_la_SOURCES = \
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$(USER_C) \
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$(KERNEL_C)
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libnvpair_la_LIBADD = $(LIBTIRPC_LIBS)
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libnvpair_la_LDFLAGS = -version-info 1:1:0
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EXTRA_DIST = $(USER_C)
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