Re: [PATCH 1/1] erc32 sim: Add libdl to build of sis

Joel Sherrill
2014-08-15T13:13:31Z

On 8/14/2014 7:30 PM, Mike Frysinger wrote:
> On Thu 14 Aug 2014 17:21:06 Joel Sherrill wrote:
>> sis failed to link on Fedora 20 because it was not linking against
>> libdl. There may be a better way but this does work.
> can you post some errors ? the only sim that actually uses libdl is the
> Blackfin one. i suspect the dl usage is coming from another binutils lib
> (like bfd?) which means the fix is not this :).

I just saw the sparc failure and fixed it. Once I saw that all of our
targets with simulators enabled failed like this (from v850), I was pretty
sure I had fixed a symptom and not the root cause.

make[3]: Entering directory
`/users/joel/test-gcc/b-v850-rtems4.11-bin/sim/v850'
gcc -DHAVE_CONFIG_H -DTRACE=1 -DWITH_TRACE=-1 -DPROFILE=1
-DWITH_PROFILE=-1 -DWITH_DEFAULT_ALIGNMENT=NONSTRICT_ALIGNMENT
-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31
-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN
-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN -DDEFAULT_INLINE=0
-DWITH_RESERVED_BITS=1 -Wall -Wdeclaration-after-statement
-Wpointer-arith -Wpointer-sign -Wno-unused -Wunused-value
-Wunused-function -Wno-switch -Wno-char-subscripts -Wmissing-prototypes
-Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type
-Wold-style-declaration -Wold-style-definition -Wformat-nonliteral
-DDEBUG
-I../../../binutils-gdb/sim/v850/../../newlib/libc/sys/sysnecv850 -I.
-I../../../binutils-gdb/sim/v850 -I../common
-I../../../binutils-gdb/sim/v850/../common -I../../include
-I../../../binutils-gdb/sim/v850/../../include -I../../bfd
-I../../../binutils-gdb/sim/v850/../../bfd -I../../opcodes
-I../../../binutils-gdb/sim/v850/../../opcodes -g -O2 -static-libstdc++
-static-libgcc -o run \
nrun.o libsim.a ../../bfd/libbfd.a ../../opcodes/libopcodes.a
../../libiberty/libiberty.a -lz -lnsl
../../bfd/libbfd.a(plugin.o): In function `try_load_plugin':
/users/joel/test-gcc/b-v850-rtems4.11-bin/bfd/../../binutils-gdb/bfd/plugin.c:168:
undefined reference to `dlopen'
/users/joel/test-gcc/b-v850-rtems4.11-bin/bfd/../../binutils-gdb/bfd/plugin.c:175:
undefined reference to `dlsym'
/users/joel/test-gcc/b-v850-rtems4.11-bin/bfd/../../binutils-gdb/bfd/plugin.c:171:
undefined reference to `dlerror'
collect2: error: ld returned 1 exit status

> -mike