https://bugzilla.redhat.com/show_bug.cgi?id=2119494



--- Comment #103 from Stansoft <[email protected]> ---
I tried adding -laubit4gl to all the plugin private libraries during linking,
but that does not fix the undefined weak symbols warning. This was already in
place for PostgreSQL and it also has the warning on libSQL_pg8.so, but it is
linking with -laubit4gl as shown below:

gcc -Wall -Wredundant-decls -Wmissing-declarations -Wmissing-prototypes
-Wstrict-prototypes -O2 -flto=auto -ffat-lto-objects -fexceptions -g
-grecord-gcc-switches -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64  -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -g  -fPIC
-DPIC -DSRC_TREE -DDEBUG -DHAVE_CONFIG_H=
-I/builddir/build/BUILD/aubit4gl-r12801/incl
-I/builddir/build/BUILD/aubit4gl-r12801  -fPIC -DPIC -I.. -I/usr/include
-I/include -shared pg8.o -L/usr/lib  -lpq -o
/builddir/build/BUILD/aubit4gl-r12801/plugins-1.5.3/libSQL_pg8.so -laubit4gl
-L/builddir/build/BUILD/aubit4gl-r12801/lib


I ran ldd against libSQL_pg.so on a system with Aubit4GL installed and it gives
the undefined symbol unless LD_LIBRARY_PATH is pointing to libaubit4gl.so which
I have also shown below:

ldd -d -r aubit4gl/plugins-1.5_3/libSQL_pg.so
        linux-vdso.so.1 (0x00007ffdceb7b000)
        libpq.so.5 => /lib64/libpq.so.5 (0x00007f9b59d4d000)
        libaubit4gl-1.5_3.so => not found
        libc.so.6 => /lib64/libc.so.6 (0x00007f9b59a00000)
        libssl.so.3 => /lib64/libssl.so.3 (0x00007f9b59caa000)
        libcrypto.so.3 => /lib64/libcrypto.so.3 (0x00007f9b59400000)
        libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f9b59c51000)
        libldap_r-2.4.so.2 => /lib64/libldap_r-2.4.so.2 (0x00007f9b59c4c000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f9b59dbb000)
        libz.so.1 => /lib64/libz.so.1 (0x00007f9b59c32000)
        libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f9b59923000)
        libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f9b59c19000)
        libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f9b59c12000)
        libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f9b59912000)
        libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f9b59c09000)
        libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f9b598fe000)
        libldap.so.2 => /lib64/libldap.so.2 (0x00007f9b59898000)
        libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f9b5986c000)
        liblber.so.2 => /lib64/liblber.so.2 (0x00007f9b5985a000)
        libevent-2.1.so.7 => /lib64/libevent-2.1.so.7 (0x00007f9b593a7000)
        libsasl2.so.3 => /lib64/libsasl2.so.3 (0x00007f9b5983a000)
        libpcre2-8.so.0 => /lib64/libpcre2-8.so.0 (0x00007f9b5930a000)
        libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007f9b592d0000)
undefined symbol: a4gl_status   (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_esql_db_open     (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_debug_full_extended_ln  
(aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_strcpy   (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_new_literal_string      
(aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_exitwith (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_strstartswith    (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_global_A4GLSQL_get_sqlerrm      
(aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_esql_dbopen_connection  
(aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_new_ptr_list     (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_add_pointer      (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_assertion_full   (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_find_pointer     (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_trim     (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: acl_getenv    (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_mja_fopen        (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_set_errm (aubit4gl/plugins-1.5_3/libSQL_pg.so)
undefined symbol: A4GL_new_append_ptr_list     
(aubit4gl/plugins-1.5_3/libSQL_pg.so)

When libaubit4gl.so is found there are no undefined symbol errors:

LD_LIBRARY_PATH=aubit4gl/lib ldd -d -r aubit4gl/plugins-1.5_3/libSQL_pg.so
        linux-vdso.so.1 (0x00007ffe873f3000)
        libpq.so.5 => /lib64/libpq.so.5 (0x00007f674f68f000)
        libaubit4gl-1.5_3.so => aubit4gl/lib/libaubit4gl-1.5_3.so
(0x00007f674f000000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f674ec00000)
        libssl.so.3 => /lib64/libssl.so.3 (0x00007f674ef5d000)
        libcrypto.so.3 => /lib64/libcrypto.so.3 (0x00007f674e600000)
        libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f674f636000)
        libldap_r-2.4.so.2 => /lib64/libldap_r-2.4.so.2 (0x00007f674f631000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f674ee7f000)
        libz.so.1 => /lib64/libz.so.1 (0x00007f674f617000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f674f6fd000)
        libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f674eb23000)
        libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f674ee66000)
        libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f674f60e000)
        libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f674ee55000)
        libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f674ee4e000)
        libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f674ee3a000)
        libldap.so.2 => /lib64/libldap.so.2 (0x00007f674eabd000)
        libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f674ee0e000)
        liblber.so.2 => /lib64/liblber.so.2 (0x00007f674eaab000)
        libevent-2.1.so.7 => /lib64/libevent-2.1.so.7 (0x00007f674ea52000)
        libsasl2.so.3 => /lib64/libsasl2.so.3 (0x00007f674ea32000)
        libpcre2-8.so.0 => /lib64/libpcre2-8.so.0 (0x00007f674e563000)
        libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007f674e529000)


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https://bugzilla.redhat.com/show_bug.cgi?id=2119494
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