[Xen-devel] missing dependency on libxlu_disk_l.h

[Olaf Hering <olaf@xxxxxxxxx>]

I'm not sure if libxlu_disk_l.h is a generated file. But just once I saw
this failure below with automated build and make -j 16. This source tree
has the discard-enable patch, which changes tools/libxl/libxlu_disk_l.l.
As a result libxlu_disk_l.c is regenerated, see the flex call below.

How should make become aware of the libxlu_disk_l.h dependency?

Olaf

....
[  126s] /usr/bin/perl -w libxl_save_msgs_gen.pl _libxl_save_msgs_helper.h 
>_libxl_save_msgs_helper.h.new
[  126s] python gentypes.py libxl_types.idl __libxl_types.h 
__libxl_types_json.h __libxl_types.c
[  126s] python gentypes.py libxl_types_internal.idl __libxl_types_internal.h 
__libxl_types_internal_json.h __libxl_types_internal.c
[  126s] if ! cmp -s _libxl_list.h.new _libxl_list.h; then mv -f 
_libxl_list.h.new _libxl_list.h; else rm -f _libxl_list.h.new; fi
[  126s] /usr/bin/flex --header-file=libxlu_disk_l.h --outfile=libxlu_disk_l.c 
libxlu_disk_l.l
[  126s] /usr/bin/perl -w libxl_save_msgs_gen.pl _libxl_save_msgs_callout.c 
>_libxl_save_msgs_callout.c.new
[  126s] /usr/bin/perl -w libxl_save_msgs_gen.pl _libxl_save_msgs_helper.c 
>_libxl_save_msgs_helper.c.new
[  126s] sed -e "s/\([^=]*\)=\(.*\)/#define \1 \2/g" _paths.h.tmp 
>_paths.h.2.tmp
[  126s] rm -f _paths.h.tmp
--
[  126s] gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing 
-std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement 
-Wno-unused-but-set-variable -Wno-unused-local-typedefs   -D__XEN_TOOLS__ -MMD 
-MF .flexarray.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-fno-optimize-sibling-calls -fmessage-length=0 -grecord-gcc-switches 
-fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2 -funwind-tables 
-fasynchronous-unwind-tables -Werror -Wno-format-zero-length 
-Wmissing-declarations -Wno-declaration-after-statement -Wformat-nonliteral -I. 
-fPIC -pthread 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/xenstore
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/control
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/include
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
 -Wshadow -include 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/config.h 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/xenstore
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/control
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/include
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
 -Wshadow -include 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/config.h  
-c -o flexarray.o flexarray.c 
[  126s] gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing 
-std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement 
-Wno-unused-but-set-variable -Wno-unused-local-typedefs   -D__XEN_TOOLS__ -MMD 
-MF .libxl.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-fno-optimize-sibling-calls -fmessage-length=0 -grecord-gcc-switches 
-fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2 -funwind-tables 
-fasynchronous-unwind-tables -Werror -Wno-format-zero-length 
-Wmissing-declarations -Wno-declaration-after-statement -Wformat-nonliteral -I. 
-fPIC -pthread 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/xenstore
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/control
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/include
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
 -Wshadow -include 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/config.h  
-c -o libxl.o libxl.c 
[  126s] gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing 
-std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement 
-Wno-unused-but-set-variable -Wno-unused-local-typedefs   -D__XEN_TOOLS__ -MMD 
-MF .libxl_create.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-fno-optimize-sibling-calls -fmessage-length=0 -grecord-gcc-switches 
-fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2 -funwind-tables 
-fasynchronous-unwind-tables -Werror -Wno-format-zero-length 
-Wmissing-declarations -Wno-declaration-after-statement -Wformat-nonliteral -I. 
-fPIC -pthread 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/xenstore
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/control
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/include
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
 -Wshadow -include 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/config.h  
-c -o libxl_create.o libxl_create.c 
[  126s] gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing 
-std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement 
-Wno-unused-but-set-variable -Wno-unused-local-typedefs   -D__XEN_TOOLS__ -MMD 
-MF .libxl_dm.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-fno-optimize-sibling-calls -fmessage-length=0 -grecord-gcc-switches 
-fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2 -funwind-tables 
-fasynchronous-unwind-tables -Werror -Wno-format-zero-length 
-Wmissing-declarations -Wno-declaration-after-statement -Wformat-nonliteral -I. 
-fPIC -pthread 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/libxc 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/xenstore
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/control
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/blktap2/include
 
-I/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/include 
 -Wshadow -include 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/config.h  
-c -o libxl_dm.o libxl_dm.c 
[  126s] libxlu_pci.c:3:27: fatal error: libxlu_disk_l.h: No such file or 
directory
[  126s]  #include "libxlu_disk_l.h"
[  126s]                            ^
[  126s] compilation terminated.
[  126s] 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/Rules.mk:89:
 recipe for target 'libxlu_pci.o' failed
[  126s] make[3]: *** [libxlu_pci.o] Error 1
[  126s] make[3]: *** Waiting for unfinished jobs....
[  126s] libxlu_disk.c:3:27: fatal error: libxlu_disk_l.h: No such file or 
directory
[  126s]  #include "libxlu_disk_l.h"
[  126s]                            ^
[  126s] compilation terminated.
[  126s] 
/home/abuild/rpmbuild/BUILD/xen-4.4.0-testing/tools/libxl/../../tools/Rules.mk:89:
 recipe for target 'libxlu_disk.o' failed
[  126s] make[3]: *** [libxlu_disk.o] Error 1
....

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