On 3/12/22 09:13, Heinz Junkes via Core-talk wrote:
When compiling epics-base with rtems6 I get the error " unknown type name 'DBLINK' “.
in link.h (wird von dbAccess.h included) findet man dies:
struct link {
struct dbCommon *precord; /* Pointer to record owning link */
short type;
short flags;
struct lset *lset;
char *text; /* Raw link text */
union value value;
};
typedef struct link DBLINK;
Does anyone have an idea what is going wrong here? Can this be due to gcc-10 (powerpc-rtems6-gcc (GCC) 10.3.1) ?
I've been successfully using GCC 10.2 for some time, and GCC developers are usually strict
about not making potentially breaking changes in a minor release.
I'd suggest approaching this by looking at the output of the preprocessor to make sure the
typedef DBLINK from link.h is really being included. Maybe there is another link.h ?
The straightforward, but ugly, way to do this is to copy+paste the failing gcc invocation
and replace '-c' with '-o .../some.c -E'. Running this from the appropriate
O.* directory.
Heinz
...
/home/rtems/MVME6100_WORK/rtems/6/bin/powerpc-rtems6-gcc -fasm -I/home/rtems/MVME6100_WORK/rtems/6/powerpc-rtems6/beatnik/lib/include -mcpu=7400 -D_GNU_SOURCE -D_DEFAULT_SOURCE -DUSE_TYPED_RSET -DUSE_TYPED_DSET -DUNIX -O2 -g -fdata-sections -ffunction-sections -Wall -Werror-implicit-function-declaration -DRTEMS_HAS_ALTIVEC -DHAVE_MOTLOAD -DRTEMS_NETWORK_CONFIG_MBUF_SPACE=2048 -DRTEMS_NETWORK_CONFIG_CLUSTER_SPACE=5120 -mcpu=7400 -I/home/rtems/MVME6100_WORK/rtems/6/powerpc-rtems6/beatnik/lib/include -D__LINUX_ERRNO_EXTENSIONS__ -I. -I../O.Common -I. -I. -I.. -I../as -I../bpt -I../db -I../dbStatic -I../dbtemplate -I../misc -I../registry -I../rsrv -I../../../../../include/compiler/gcc -I../../../../../include/os/RTEMS -I../../../../../include -MM -MF asDbLib.d ../as/asDbLib.c
perl -CSD /home/rtems/EPICS_TST/epics-base/bin/linux-x86_64/genVersionHeader.pl -t ../../../../.. -N EPICS_VCS_VERSION -V "" ../O.Common/epicsVCS.h
Keeping VCS header ../O.Common/epicsVCS.h
EPICS_VCS_VERSION = "R7.0.6.1-75-g91941af992f6c32ef4f4-dirty"
Expanding ../databaseVersion.h@ to ../O.Common/databaseVersion.h
perl -CSD /home/rtems/EPICS_TST/epics-base/bin/linux-x86_64/expandVars.pl -t ../../../../.. -DEPICS_DATABASE_MAJOR_VERSION="3" -DEPICS_DATABASE_MINOR_VERSION="21" -DEPICS_DATABASE_MAINTENANCE_VERSION="1" -DEPICS_DATABASE_DEVELOPMENT_FLAG="1" ../databaseVersion.h@ databaseVersion.h
Installing generated generic include file ../../../../../include/databaseVersion.h
/home/rtems/MVME6100_WORK/rtems/6/bin/powerpc-rtems6-gcc -fasm -I/home/rtems/MVME6100_WORK/rtems/6/powerpc-rtems6/beatnik/lib/include -mcpu=7400 -D_GNU_SOURCE -D_DEFAULT_SOURCE -DUSE_TYPED_RSET -DUSE_TYPED_DSET -DUNIX -O2 -g -fdata-sections -ffunction-sections -Wall -Werror-implicit-function-declaration -DRTEMS_HAS_ALTIVEC -DHAVE_MOTLOAD -DRTEMS_NETWORK_CONFIG_MBUF_SPACE=2048 -DRTEMS_NETWORK_CONFIG_CLUSTER_SPACE=5120 -mcpu=7400 -I/home/rtems/MVME6100_WORK/rtems/6/powerpc-rtems6/beatnik/lib/include -D__LINUX_ERRNO_EXTENSIONS__ -I. -I../O.Common -I. -I. -I.. -I../as -I../bpt -I../db -I../dbStatic -I../dbtemplate -I../misc -I../registry -I../rsrv -I../../../../../include/compiler/gcc -I../../../../../include/os/RTEMS -I../../../../../include -c ../as/asDbLib.c
In file included from ../db/dbAccess.h:27,
from ../as/asDbLib.c:31:
../O.Common/dbCommon.h:27:5: error: unknown type name 'DBLINK'
27 | DBLINK tsel; /**< @brief Time Stamp Link */
| ^~~~~~
../O.Common/dbCommon.h:31:5: error: unknown type name 'DBLINK'
31 | DBLINK sdis; /**< @brief Scanning Disable */
| ^~~~~~
../O.Common/dbCommon.h:66:5: error: unknown type name 'DBLINK'
66 | DBLINK flnk; /**< @brief Forward Process Link */
| ^~~~~~
make[5]: *** [../../../../../configure/RULES_BUILD:259: asDbLib.o] Error 1
make[5]: Leaving directory '/home/rtems/EPICS_TST/epics-base/modules/database/src/ioc/O.RTEMS-beatnik'
make[4]: *** [../../../../configure/RULES_ARCHS:58: install.RTEMS-beatnik] Error 2
make[4]: Leaving directory '/home/rtems/EPICS_TST/epics-base/modules/database/src/ioc'
make[3]: *** [../../../configure/RULES_DIRS:85: ioc.install] Error 2
make[3]: Leaving directory '/home/rtems/EPICS_TST/epics-base/modules/database/src'
make[2]: *** [../../configure/RULES_DIRS:85: src.install] Error 2
make[2]: Leaving directory '/home/rtems/EPICS_TST/epics-base/modules/database'
make[1]: *** [../configure/RULES_DIRS:85: database.install] Error 2
make[1]: Leaving directory '/home/rtems/EPICS_TST/epics-base/modules'
make: *** [configure/RULES_DIRS:85: modules.install] Error 2
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