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  • 1.  gcc: strange error message at config stage

    Posted Wed April 19, 2023 08:04 AM
    Edited by C- -T Wed April 19, 2023 08:04 AM

    Hi,

    while trying to build curl from source configure bails out with some crazy error...

    configure:34032: checking run-time libs availability
configure:34088: gcc -O2 -o conftest -maix64 -I/opt/freeware/include -Werror-implicit-function-declaration -O2 -Wno-system-headers -maix64 -I/opt/freeware/include -I/opt/freeware/include   -I/opt/freeware/include -L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/opt/freeware/lib:/usr/lib:/lib -L/opt/freeware/lib   -L/opt/freeware/lib64 conftest.c -lnghttp2 -lssh2  -lssl -lcrypto -lldap -llber -lz  >&5
Could not load program gcc:
Could not load module /opt/freeware/lib/libiconv.a(libiconv.so.2).
        Dependent module /opt/freeware/lib64/libgcc_s.a(shr.o) could not be loaded.
        The module has an invalid magic number.
Could not load module gcc-10.
        Dependent module /opt/freeware/lib/libiconv.a(libiconv.so.2) could not be loaded.
Could not load module .
configure:34088: $? = 255
configure: program exited with status 255
configure: failed program was:
| /* confdefs.h */


    i checked some libraries and gcc, but i see no context between the error message and the situation on the compiler side and installed libs.

    root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 #
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/opt/freeware/libexec/gcc/powerpc-ibm-aix7.1.0.0/10/lto-wrapper
Target: powerpc-ibm-aix7.1.0.0
Configured with: ../gcc-10.3.0/configure --prefix=/opt/freeware --mandir=/opt/freeware/man --infodir=/opt/freeware/info --with-local-prefix=/opt/freeware --enable-languages=c,c++,fortran,go --enable-version-specific-runtime-libs --disable-nls --disable-libstdcxx-pch --disable-werror --enable-libstdcxx-filesystem-ts --with-gcc-major-version-only --program-suffix=-10 --with-cpu=default32 --host=powerpc-ibm-aix7.1.0.0
Thread model: aix
Supported LTO compression algorithms: zlib
gcc version 10.3.0 (GCC)

root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # ar -X64 tv /opt/freeware/lib64/libgcc_s.a
rwxr-xr-x     0/0     376375 Dec 15 11:02 2021 shr.o
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # ar -X64 tv /opt/freeware/lib/libiconv.a
rwxr-xr-x   203/1     1227053 Jun 02 11:18 2022 libiconv.so.2
r--r--r--     0/0     310767 Jul 04 11:17 2022 shr4_64.o
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # echo $OBJECT_MODE
64
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # echo $LIBPATH


    any idea?

    best

    chris



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  • 2.  RE: gcc: strange error message at config stage

    Posted Wed April 19, 2023 08:32 AM

    Hi,

    Please share the configure script options passed to ./configure and env output . 



    ------------------------------
    Ranjit Ranjan
    IBM
    Ranjit.Ranjan@ibm.com
    ------------------------------

    Original Message


  • 3.  RE: gcc: strange error message at config stage

    Posted Wed April 19, 2023 10:25 AM 
    root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # env
SHELL=/usr/bin/bash
LC__FASTMSG=true
HISTSIZE=2000
ODMDIR=/etc/objrepos
HISTTIMEFORMAT=%F %T |
AUTHSTATE=compat
EDITOR=vi
ENV=/root/.kshrc
PWD=/home/packagebuilder/test/curl-7.86.0
LOGNAME=root
TZ=Europe/Vienna
OBJECT_MODE=64
LDFLAGS=-L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/opt/freeware/lib:/usr/lib:/lib
HOME=/root
LANG=en_US
AIXTHREAD_SCOPE=S
NMON=Bc
CPPFLAGS=-maix64 -I/opt/freeware/include
SSH_CONNECTION=172.17.8.4 55877 172.17.10.95 22
TERM=xterm
USER=root
CURL_CA_BUNDLE=/etc/itsv-ca-bundle.crt
AR=/usr/bin/ar -X32_64
LOGIN=root
SHLVL=1
LOCPATH=/usr/lib/nls/loc
EXTENDED_HISTORY=ON
MAILMSG=[YOU HAVE NEW MAIL]
PS1=root@aixbuildhostng: $PWD #
SSH_CLIENT=172.17.8.4 55877 22
PATH=/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/bin/X11:/sbin:/usr/java8_64/jre/bin:/opt/freeware/bin:/opt/freeware/sbin:.:/usr/lib/instl:/usr/local/bin:/opt/freeware/bin:/usr/es/sbin/cluster:/usr/es/sbin/cluster/utilities:/usr/es/sbin/cluster/cspoc
CC=gcc -O2
HISTFILESIZE=2000
CFLAGS=-maix64 -I/opt/freeware/include
MAIL=/usr/spool/mail/root
SSH_TTY=/dev/pts/0
OLDPWD=/home/packagebuilder/test
_=/usr/bin/env
NLSPATH=/usr/lib/nls/msg/%L/%N:/usr/lib/nls/msg/en_US/%N:/usr/lib/nls/msg/%L/%N.cat:/usr/lib/nls/msg/en_US/%N.cat:/usr/lib/nls/msg/%l.%c/%N:/usr/lib/nls/msg/%l.%c/%N.cat
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # ./configure  --prefix=/home/packagebuilder/apachelibinc --with-ssl --with-ca-path=/var/ssl/certs/ --enable-shared --enable-static --enable-ldap --with-libssh2 --without-zstd --with-nghttp2


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  • 4.  RE: gcc: strange error message at config stage

    Posted Wed April 19, 2023 10:47 AM

    gcc being a 32-bit binary has /opt/freeware/lib as it's libpath , so it should not go to /opt/freeware/lib64 to look for libgcc_s.a unless LIBPATH is set. 
    You don't have LIBPATH set which makes this error very surprising. Can you paste the output of "ldd /opt/freeware/bin/gcc" ? 



    ------------------------------
    Ayappan P
    ------------------------------

    Original Message


  • 5.  RE: gcc: strange error message at config stage

    Posted Thu April 20, 2023 04:16 AM 
    root@aixbuildhostng: /root # file /opt/freeware/bin/gcc
/opt/freeware/bin/gcc: executable (RISC System/6000) or object module

root@aixbuildhostng: /root # ldd /opt/freeware/bin/gcc
/opt/freeware/bin/gcc needs:
         /usr/lib/libc.a(shr.o)
         /opt/freeware/lib/libiconv.a(libiconv.so.2)
         /unix
         /usr/lib/libcrypt.a(shr.o)
         /opt/freeware/lib/libgcc_s.a(shr.o)

root@aixbuildhostng: /root # dump -Xany -TvH /opt/freeware/bin/gcc

/opt/freeware/bin/gcc:

                        ***Loader Section***
                      Loader Header Information
VERSION#         #SYMtableENT     #RELOCent        LENidSTR
0x00000001       0x000000d4       0x0000307c       0x00000168

#IMPfilID        OFFidSTR         LENstrTBL        OFFstrTBL
0x00000003       0x000259d0       0x00000385       0x00025b38


                        ***Import File Strings***
INDEX  PATH                          BASE                MEMBER
0      /opt/freeware/src/packages/BUILD/gcc-build-10.3.0/prev-powerpc-ibm-aix7.1.0.0/libstdc++-v3/src/.libs:/opt/freeware/src/packages/BUILD/gcc-build-10.3.0/prev-powerpc-ibm-aix7.1.0.0/libstdc++-v3/libsupc++/.libs:/opt/freeware/src/packages/BUILD/gcc-build-10.3.0/./prev-gcc:/opt/freeware/lib:/usr/lib:/lib
1                                    libc.a              shr.o
2      /opt/freeware/lib             libiconv.a          libiconv.so.2


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  • 6.  RE: gcc: strange error message at config stage

    Posted Thu April 20, 2023 05:15 AM

    i did a build with no cflags/ldflags and the least possible configure options and it went through without errors, so it must have something to do with the  flags.
    as i took the flags from your curl spec file one to one  i can not comprehend whats going on here.

    root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # ./configure  --without-ssl --without-nghttp2
...
configure: Configured to build curl/libcurl:

  Host setup:       powerpc-ibm-aix7.1.5.0
  Install prefix:   /usr/local
  Compiler:         gcc
   CFLAGS:          -Werror-implicit-function-declaration -O2 -Wno-system-headers -pthread
   CPPFLAGS:        -isystem /opt/freeware/include
   LDFLAGS:         -L/opt/freeware/lib
   LIBS:            -lldap -llber -lzstd -lz

  curl version:     7.86.0
  SSL:              no      (--with-{openssl,gnutls,nss,mbedtls,wolfssl,schannel,secure-transport,amissl,bearssl,rustls} )
  SSH:              no      (--with-{libssh,libssh2})
  zlib:             enabled
  brotli:           no      (--with-brotli)
  zstd:             enabled (libzstd)
  GSS-API:          no      (--with-gssapi)
  GSASL:            no      (libgsasl not found)
  TLS-SRP:          no      (--enable-tls-srp)
  resolver:         POSIX threaded
  IPv6:             enabled
  Unix sockets:     enabled
  IDN:              no      (--with-{libidn2,winidn})
  Build libcurl:    Shared=yes, Static=no
  Built-in manual:  enabled
  --libcurl option: enabled (--disable-libcurl-option)
  Verbose errors:   enabled (--disable-verbose)
  Code coverage:    disabled
  SSPI:             no      (--enable-sspi)
  ca cert bundle:   no
  ca cert path:
  ca fallback:
  LDAP:             enabled (OpenLDAP)
  LDAPS:            enabled
  RTSP:             enabled
  RTMP:             no      (--with-librtmp)
  PSL:              no      (libpsl not found)
  Alt-svc:          enabled (--disable-alt-svc)
  Headers API:      enabled (--disable-headers-api)
  HSTS:             no      (--enable-hsts)
  HTTP1:            enabled (internal)
  HTTP2:            no      (--with-nghttp2, --with-hyper)
  HTTP3:            no      (--with-ngtcp2, --with-quiche --with-msh3)
  ECH:              no      (--enable-ech)
  WebSockets:       no      (--enable-websockets)
  Protocols:        DICT FILE FTP GOPHER HTTP IMAP LDAP LDAPS MQTT POP3 RTSP SMTP TELNET TFTP
  Features:         AsynchDNS IPv6 Largefile UnixSockets alt-svc libz threadsafe zstd
...
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0 # gmake -j 20
Making all in lib
...
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0/src/.libs # ldd curl
curl needs:
         /usr/lib/libc.a(shr.o)
         /usr/lib/libpthreads.a(shr_xpg5.o)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libcurl.a(libcurl.so.4)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libz.a(libz.so.1)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libldap.a(libldap-2.5.so.0)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../liblber.a(liblber-2.5.so.0)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libzstd.a(libzstd.so.1)
         /unix
         /usr/lib/libcrypt.a(shr.o)
         /usr/lib/libpthreads.a(shr_comm.o)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/libgcc_s.a(shr.o)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libnghttp2.a(libnghttp2.so.14)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libssh2.a(libssh2.so.1)
         /opt/freeware/lib/libgssapi_krb5.a(libgssapi_krb5.so)
         /opt/freeware/lib/libkrb5.a(libkrb5.so)
         /opt/freeware/lib/libk5crypto.a(libk5crypto.so)
         /opt/freeware/lib/libcom_err.a(libcom_err.so)
         /usr/lib/libcrypto.a(libcrypto.so.1.1)
         /usr/lib/libssl.a(libssl.so.1.1)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libsasl2.a(libsasl2.so.3)
         /usr/lib/libs.a(shr.o)
         /usr/lib/libpthread.a(shr_xpg5.o)
         /usr/lib/librtl.a(shr.o)
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libkrb5.so
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libk5crypto.so
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libcom_err.so
         /opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/10/../../../libkrb5support.so
         /opt/freeware/lib/libintl.a(libintl.so.8)
         /usr/lib/libdl.a(shr.o)
         /opt/freeware/lib/libiconv.a(libiconv.so.2)
root@aixbuildhostng: /home/packagebuilder/test/curl-7.86.0/src/.libs # ./curl -V
curl 7.86.0 (powerpc-ibm-aix7.1.5.0) libcurl/7.86.0 OpenSSL/1.1.1l zlib/1.2.13 libssh2/1.10.0 nghttp2/1.46.0
Release-Date: 2022-10-26
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: alt-svc AsynchDNS GSS-API HSTS HTTP2 HTTPS-proxy IPv6 Kerberos Largefile libz NTLM NTLM_WB SPNEGO SSL threadsafe UnixSockets


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  • 7.  RE: gcc: strange error message at config stage

    Posted Thu April 20, 2023 07:29 AM

    further testing...by setting LIBPATH to contain /opt/freeware/lib BEFORE /opt/freeware/lib64 in the build script ,configure finished successfully. 
    still no idea why gcc insists in loading the 64 bit object before the 32 bit one, smells like a packaging issue in the gcc  package for aix 7.1

    #!/usr/bin/ksh
export LIBPATH=/opt/freeware/lib:/opt/freeware/lib64:/usr/lib:/lib
export OBJECT_MODE=64
export AR="/usr/bin/ar -X32_64"
export CC="/opt/freeware/bin/gcc -maix64"
export CFLAGS="-I/opt/freeware/include"
export CPPFLAGS="-I/opt/freeware/include"
export LDFLAGS="-L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/opt/freeware/lib:/usr/lib:/lib"


./configure --prefix=/home/packagebuilder/apachelibinc \
            --with-openssl=/usr \
            --with-ca-path=/var/ssl/certs/ \
            --enable-shared \
            --enable-static \
            --enable-ldap \
            --with-libssh2 \
            --without-zstd \
            --with-nghttp2

...
 Host setup:       powerpc-ibm-aix7.1.5.0
  Install prefix:   /home/packagebuilder/apachelibinc
  Compiler:         /opt/freeware/bin/gcc -maix64
   CFLAGS:          -isystem /opt/freeware/include -Werror-implicit-function-declaration -O2 -Wno-system-headers -pthread
   CPPFLAGS:        -isystem /opt/freeware/include -isystem /opt/freeware/include -isystem /opt/freeware/include
   LDFLAGS:         -L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/opt/freeware/lib:/usr/lib:/lib -L/opt/freeware/lib -L/opt/freeware/lib64
   LIBS:            -lnghttp2 -lssh2 -lssl -lcrypto -lssl -lcrypto -lldap -llber -lz

  curl version:     7.86.0
  SSL:              enabled (OpenSSL)
  SSH:              enabled (libSSH2)
  zlib:             enabled
  brotli:           no      (--with-brotli)
  zstd:             no      (--with-zstd)
  GSS-API:          no      (--with-gssapi)
  GSASL:            no      (libgsasl not found)
  TLS-SRP:          no      (--enable-tls-srp)
  resolver:         POSIX threaded
  IPv6:             enabled
  Unix sockets:     enabled
  IDN:              no      (--with-{libidn2,winidn})
  Build libcurl:    Shared=yes, Static=no
  Built-in manual:  enabled
  --libcurl option: enabled (--disable-libcurl-option)
  Verbose errors:   enabled (--disable-verbose)
  Code coverage:    disabled
  SSPI:             no      (--enable-sspi)
  ca cert bundle:   no
  ca cert path:     /var/ssl/certs/
  ca fallback:      no
  LDAP:             enabled (OpenLDAP)
  LDAPS:            enabled
  RTSP:             enabled
  RTMP:             no      (--with-librtmp)
  PSL:              no      (libpsl not found)
  Alt-svc:          enabled (--disable-alt-svc)
  Headers API:      enabled (--disable-headers-api)
  HSTS:             enabled (--disable-hsts)
  HTTP1:            enabled (internal)
  HTTP2:            enabled (nghttp2)
  HTTP3:            no      (--with-ngtcp2, --with-quiche --with-msh3)
  ECH:              no      (--enable-ech)
  WebSockets:       no      (--enable-websockets)
  Protocols:        DICT FILE FTP FTPS GOPHER GOPHERS HTTP HTTPS IMAP IMAPS LDAP LDAPS MQTT POP3 POP3S RTSP SCP SFTP SMB SMBS SMTP SMTPS TELNET TFTP
  Features:         AsynchDNS HSTS HTTP2 HTTPS-proxy IPv6 Largefile NTLM NTLM_WB SSL UnixSockets alt-svc libz threadsafe


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