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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Oct 2020 23:01:57 -0000 Good afternoon, I am trying to compile gcc 9.3.0 on an IBM power 7 running AIX 7.2, but I h= ave not been able to get past the error: error: conflicting declaration of C function 'void* sbrk(int)' 488 | extern void *sbrk (int); I have attempted what I found on this page: https://www.mail-archive.com/bu= g-bash@gnu.org/msg21215.html. It appeared to get through another stage, but= still received the same error. Any help on this is greatly appreciated. Configure: ../gcc-9.3.0/configure --prefix=3D/MACHINE_INSTALL/gcc-9.3.0 --enable-langu= ages=3Dc,c++ --disable-multilib CC=3D/opt/freeware/bin/gcc CXX=3D/opt/freew= are/bin/g++ CPP=3D/opt/freeware/bin/cpp --with-gmp=3D/opt/freeware/lib --wi= th-mpfr=3D/opt/freeware/lib --with-mpc=3D/opt/freeware/lib Full error: /MACHINE_INSTALL/build/gcc_build_obj_dir/./prev-gcc/xg++ -B/MACHINE_INSTALL= /build/gcc_build_obj_dir/./prev-gcc/ -B/MACHINE_INSTALL/gcc-9.3.0/powerpc-i= bm-aix7.2.2.0/bin/ -nostdinc++ -B/MACHINE_INSTALL/build/gcc_build_obj_dir/p= rev-powerpc-ibm-aix7.2.2.0/libstdc++-v3/src/.libs -B/MACHINE_INSTALL/build/= gcc_build_obj_dir/prev-powerpc-ibm-aix7.2.2.0/libstdc++-v3/libsupc++/.libs = -I/MACHINE_INSTALL/build/gcc_build_obj_dir/prev-powerpc-ibm-aix7.2.2.0/lib= stdc++-v3/include/powerpc-ibm-aix7.2.2.0 -I/MACHINE_INSTALL/build/gcc_buil= d_obj_dir/prev-powerpc-ibm-aix7.2.2.0/libstdc++-v3/include -I/MACHINE_INST= ALL/build/gcc-9.3.0/libstdc++-v3/libsupc++ -L/MACHINE_INSTALL/build/gcc_bui= ld_obj_dir/prev-powerpc-ibm-aix7.2.2.0/libstdc++-v3/src/.libs -L/MACHINE_IN= STALL/build/gcc_build_obj_dir/prev-powerpc-ibm-aix7.2.2.0/libstdc++-v3/libs= upc++/.libs -c -g -O2 -fno-checking -DIN_GCC -fno-exceptions -fno-rtt= i -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wca= st-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long= -long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -DGEN= ERATOR_FILE -fno-PIE -I. -Ibuild -I/MACHINE_INSTALL/build/gcc_build_obj_dir= /../gcc-9.3.0/gcc -I/MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0/g= cc/build -I/MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0/gcc/../inc= lude -I/MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0/gcc/../libcpp= /include \ -o build/genmodes.o /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc= -9.3.0/gcc/genmodes.c In file included from ./bconfig.h:3, from /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0= /gcc/genmodes.c:20: ./auto-host.h:2379:16: error: declaration does not declare anything [-fperm= issive] 2379 | #define rlim_t long | ^~~~ In file included from /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0= /gcc/genmodes.c:21: /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0/gcc/system.h:488:14: = error: conflicting declaration of C function 'void* sbrk(int)' 488 | extern void *sbrk (int); | ^~~~ In file included from /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0= /gcc/system.h:294, from /MACHINE_INSTALL/build/gcc_build_obj_dir/../gcc-9.3.0= /gcc/genmodes.c:21: /MACHINE_INSTALL/build/gcc_build_obj_dir/prev-gcc/include-fixed/unistd.h:93= 0:34: note: previous declaration 'void* sbrk(intptr_t)' 930 | extern void *sbrk(intptr_t); | ^~~~ make[3]: *** [Makefile:2666: build/genmodes.o] Error 1 make[3]: Leaving directory '/MACHINE_INSTALL/build/gcc_build_obj_dir/gcc' make[2]: *** [Makefile:4710: all-stage2-gcc] Error 2 make[2]: Leaving directory '/MACHINE_INSTALL/build/gcc_build_obj_dir' make[1]: *** [Makefile:20487: stage2-bubble] Error 2 make[1]: Leaving directory '/MACHINE_INSTALL/build/gcc_build_obj_dir' make: *** [Makefile:997: all] Error 2 Thank you, Dan