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Trim list of exported symbols

    • Closed Issue created by Bugzilla Migration User @bugzilla-migration

    Submitted by Michael Biebl @mbiebl

    Assigned to Hubert Figuiere @hub

    Link to original bug (#16139)

    Description

    The list of exported symbols in exempi is rather extensive. E.g. for i386 the list looks like http://qa.debian.org/cgi-bin/mole/seedsymbols/.raw/seedsymbols/libexempi3_i386

    A lot of those symbols should probably not be part of the public ABI.

    One suggested possibility is to use a sym file for the exported symbols.

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    • Activity

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Hubert Figuiere @hub said:

      now fixed in git master (will be in 2.1)

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Michael Biebl @mbiebl said:

      As libexempi is C++ lib, a sym file unfortunately doesn't cut (sorry for my wrong suggestion)

      The list of exported symbols has not changed with 2.1.0, so I'm reopening this report.

      Looks like we need GCC's visibility support, to properly fix this.

      http://gcc.gnu.org/wiki/Visibility http://developer.apple.com/DOCUMENTATION/DeveloperTools/Conceptual/CppRuntimeEnv/Articles/SymbolVisibility.html

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Michael Biebl @mbiebl said:

      (In reply to Michael Biebl from comment 2)

      As libexempi is C++ lib, a sym file unfortunately doesn't cut (sorry for my wrong suggestion)

      The list of exported symbols has not changed with 2.1.0, so I'm reopening this report.

      Looks like we need GCC's visibility support, to properly fix this.

      http://gcc.gnu.org/wiki/Visibility http://developer.apple.com/DOCUMENTATION/DeveloperTools/Conceptual/ CppRuntimeEnv/Articles/SymbolVisibility.html

      Hi Hub, trying to restart this old bug discussion.

      I still think it would be valuable to trim down the list of exported symbols to what is actually exposed in the public API.

      While I don't have much experience with C++ ABIs, looks like we can either flag each individual declaration with the visibility attribute or use the visbility pragmas

      https://gcc.gnu.org/onlinedocs/gcc/Visibility-Pragmas.html

    • Hubert Figuiere assigned to @hub

      assigned to @hub

    • Hubert Figuiere mentioned in commit b34b941d

      mentioned in commit b34b941d

    • Hubert Figuiere
      Hubert Figuiere @hub ·
      Owner

      Finally went and fixed this in master. This is considered as an ABI break though.

    • Hubert Figuiere closed

      closed

    • Michael Biebl
      Michael Biebl @mbiebl ·

      Hi!

      With 2.5.0 I get the following list of symbols

       NS_CAMERA_RAW_SAVED_SETTINGS@Base 2.5.0
 NS_CAMERA_RAW_SETTINGS@Base 2.5.0
 NS_CC@Base 2.5.0
 NS_CRS@Base 2.5.0
 NS_DC@Base 2.5.0
 NS_DIMENSIONS_TYPE@Base 2.5.0
 NS_EXIF@Base 2.5.0
 NS_EXIF_AUX@Base 2.5.0
 NS_IPTC4XMP@Base 2.5.0
 NS_LIGHTROOM@Base 2.5.0
 NS_PDF@Base 2.5.0
 NS_PHOTOSHOP@Base 2.5.0
 NS_RDF@Base 2.5.0
 NS_TIFF@Base 2.5.0
 NS_TPG@Base 2.5.0
 NS_XAP@Base 2.5.0
 NS_XAP_RIGHTS@Base 2.5.0
 NS_XML@Base 2.5.0
 NS_XMP_META@Base 2.5.0
 _ZNKSt5ctypeIcE8do_widenEc@Base 2.5.0
 _ZNKSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE4findERS7_@Base 2.5.0
 _ZNSt13_Bvector_baseISaIbEE13_M_deallocateEv@Base 2.5.0
 _ZNSt15_Sp_counted_ptrIDnLN9__gnu_cxx12_Lock_policyE2EE10_M_disposeEv@Base 2.5.0
 _ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_destroyEv@Base 2.5.0
 _ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_releaseEv@Base 2.5.0
 _ZNSt3mapIPvNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS0_ESaISt4pairIKS0_S6_EEED1Ev@Base 2.5.0
 _ZNSt3mapIPvNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS0_ESaISt4pairIKS0_S6_EEED2Ev@Base 2.5.0
 _ZNSt3mapIjN4WEBP7ChunkIdESt4lessIjESaISt4pairIKjS1_EEED1Ev@Base 2.5.0
 _ZNSt3mapIjN4WEBP7ChunkIdESt4lessIjESaISt4pairIKjS1_EEED2Ev@Base 2.5.0
 _ZNSt3setIjSt4lessIjESaIjEED1Ev@Base 2.5.0
 _ZNSt3setIjSt4lessIjESaIjEED2Ev@Base 2.5.0
 _ZNSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_destroyEv@Base 2.5.0
 _ZNSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_releaseEv@Base 2.5.0
 _ZNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EE10_M_disposeEv@Base 2.5.0
 _ZNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EE14_M_get_deleterERKSt9type_info@Base 2.5.0
 _ZNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EED0Ev@Base 2.5.0
 _ZNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 2.5.0
 _ZNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 2.5.0
 _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE12emplace_backIJS5_EEEvDpOT_@Base 2.5.0
 _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE17_M_realloc_insertIJRKS5_EEEvN9__gnu_cxx17__normal_iteratorIPS5_S7_EEDpOT_@Base 2.5.0
 _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE17_M_realloc_insertIJS5_EEEvN9__gnu_cxx17__normal_iteratorIPS5_S7_EEDpOT_@Base 2.5.0
 _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED1Ev@Base 2.5.0
 _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev@Base 2.5.0
 _ZNSt6vectorIPKcSaIS1_EE17_M_realloc_insertIJS1_EEEvN9__gnu_cxx17__normal_iteratorIPS1_S3_EEDpOT_@Base 2.5.0
 _ZNSt6vectorISt4pairIPKcS2_ESaIS3_EE12emplace_backIJS3_EEEvDpOT_@Base 2.5.0
 _ZNSt6vectorISt4pairIPKcS2_ESaIS3_EE17_M_realloc_insertIJS3_EEEvN9__gnu_cxx17__normal_iteratorIPS3_S5_EEDpOT_@Base 2.5.0
 _ZNSt6vectorIhSaIhEE14_M_fill_assignEmRKh@Base 2.5.0
 _ZNSt6vectorIhSaIhEE14_M_fill_insertEN9__gnu_cxx17__normal_iteratorIPhS1_EEmRKh@Base 2.5.0
 _ZNSt6vectorIhSaIhEE15_M_range_insertIPhEEvN9__gnu_cxx17__normal_iteratorIS3_S1_EET_S7_St20forward_iterator_tag@Base 2.5.0
 _ZNSt6vectorIhSaIhEE17_M_default_appendEm@Base 2.5.0
 _ZNSt6vectorIhSaIhEE8_M_eraseEN9__gnu_cxx17__normal_iteratorIPhS1_EES5_@Base 2.5.0
 _ZNSt6vectorIjSaIjEE14_M_fill_assignEmRKj@Base 2.5.0
 _ZNSt6vectorIjSaIjEE17_M_realloc_insertIJjEEEvN9__gnu_cxx17__normal_iteratorIPjS1_EEDpOT_@Base 2.5.0
 _ZNSt6vectorItSaItEE14_M_fill_assignEmRKt@Base 2.5.0
 _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIN9__gnu_cxx17__normal_iteratorIPKcS4_EEEEvT_SB_St20forward_iterator_tag@Base 2.5.0
 _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPKcEEvT_S8_St20forward_iterator_tag@Base 2.5.0
 _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag@Base 2.5.0
 _ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED0Ev@Base 2.5.0
 _ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED1Ev@Base 2.5.0
 _ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED2Ev@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St9_IdentityIS5_ESt4lessIS5_ESaIS5_EE16_M_insert_uniqueIRKS5_EESt4pairISt17_Rb_tree_iteratorIS5_EbEOT_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St9_IdentityIS5_ESt4lessIS5_ESaIS5_EE8_M_eraseEPSt13_Rb_tree_nodeIS5_E@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE22_M_emplace_hint_uniqueIJRKSt21piecewise_construct_tSt5tupleIJRS7_EESJ_IJEEEEESt17_Rb_tree_iteratorIS8_ESt23_Rb_tree_const_iteratorIS8_EDpOT_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE22_M_emplace_hint_uniqueIJRS6_IS5_S5_EEEESt17_Rb_tree_iteratorIS8_ESt23_Rb_tree_const_iteratorIS8_EDpOT_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE24_M_get_insert_unique_posERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE29_M_get_insert_hint_unique_posESt23_Rb_tree_const_iteratorIS8_ERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE4findERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE7_M_copyINSE_20_Reuse_or_alloc_nodeEEEPSt13_Rb_tree_nodeIS8_EPKSI_PSt18_Rb_tree_node_baseRT_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE8_M_eraseEPSt13_Rb_tree_nodeIS8_E@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EEaSERKSE_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE11equal_rangeERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE14_M_insert_nodeEPSt18_Rb_tree_node_baseSG_PSt13_Rb_tree_nodeIS8_E@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE23_M_get_insert_equal_posERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE28_M_get_insert_hint_equal_posESt23_Rb_tree_const_iteratorIS8_ERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE4findERS7_@Base 2.5.0
 _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_lESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE8_M_eraseEPSt13_Rb_tree_nodeIS8_E@Base 2.5.0
 _ZNSt8_Rb_treeIPvSt4pairIKS0_NSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS9_ESt4lessIS0_ESaIS9_EE17_M_emplace_uniqueIJS1_IS0_S8_EEEES1_ISt17_Rb_tree_iteratorIS9_EbEDpOT_@Base 2.5.0
 _ZNSt8_Rb_treeIPvSt4pairIKS0_NSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS9_ESt4lessIS0_ESaIS9_EE4findERS2_@Base 2.5.0
 _ZNSt8_Rb_treeIPvSt4pairIKS0_NSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS9_ESt4lessIS0_ESaIS9_EE8_M_eraseEPSt13_Rb_tree_nodeIS9_E@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjN4WEBP7ChunkIdEESt10_Select1stIS4_ESt4lessIjESaIS4_EE24_M_get_insert_unique_posERS1_@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjN4WEBP7ChunkIdEESt10_Select1stIS4_ESt4lessIjESaIS4_EE29_M_get_insert_hint_unique_posESt23_Rb_tree_const_iteratorIS4_ERS1_@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjN4WEBP7ChunkIdEESt10_Select1stIS4_ESt4lessIjESaIS4_EE8_M_eraseEPSt13_Rb_tree_nodeIS4_E@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS8_ESt4lessIjESaIS8_EE24_M_get_insert_unique_posERS1_@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS8_ESt4lessIjESaIS8_EE29_M_get_insert_hint_unique_posESt23_Rb_tree_const_iteratorIS8_ERS1_@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS8_ESt4lessIjESaIS8_EE7_M_copyINSE_11_Alloc_nodeEEEPSt13_Rb_tree_nodeIS8_EPKSI_PSt18_Rb_tree_node_baseRT_@Base 2.5.0
 _ZNSt8_Rb_treeIjSt4pairIKjNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt10_Select1stIS8_ESt4lessIjESaIS8_EE8_M_eraseEPSt13_Rb_tree_nodeIS8_E@Base 2.5.0
 _ZNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE16_M_insert_uniqueIjEESt4pairISt17_Rb_tree_iteratorIjEbEOT_@Base 2.5.0
 _ZNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE24_M_get_insert_unique_posERKj@Base 2.5.0
 _ZNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE7_M_copyINS5_11_Alloc_nodeEEEPSt13_Rb_tree_nodeIjEPKS9_PSt18_Rb_tree_node_baseRT_@Base 2.5.0
 _ZNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE8_M_eraseEPSt13_Rb_tree_nodeIjE@Base 2.5.0
 _ZNSt8_Rb_treeImSt4pairIKmS0_IPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_EESt10_Select1stISA_ESt4lessImESaISA_EE28_M_get_insert_hint_equal_posESt23_Rb_tree_const_iteratorISA_ERS1_@Base 2.5.0
 _ZNSt8_Rb_treeImSt4pairIKmS0_IPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_EESt10_Select1stISA_ESt4lessImESaISA_EE8_M_eraseEPSt13_Rb_tree_nodeISA_E@Base 2.5.0
 _ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_@Base 2.5.0
 _ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_@Base 2.5.0
 _ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_@Base 2.5.0
 _ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_@Base 2.5.0
 _ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EES5_RKS8_@Base 2.5.0
 _ZTINSt3tr111_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTINSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTINSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5.0
 _ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5.0
 _ZTSNSt3tr111_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTSNSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTSNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 _ZTSPFvPiE@Base 2.5.0
 _ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5.0
 _ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5.0
 _ZTVNSt3tr121_Sp_counted_base_implIPiPFvS1_ELN9__gnu_cxx12_Lock_policyE2EEE@Base 2.5.0
 xmp_append_array_item@Base 2.5.0
 xmp_copy@Base 2.5.0
 xmp_datetime_compare@Base 2.5.0
 xmp_delete_localized_text@Base 2.5.0
 xmp_delete_property@Base 2.5.0
 xmp_files_can_put_xmp@Base 2.5.0
 xmp_files_can_put_xmp_cstr@Base 2.5.0
 xmp_files_can_put_xmp_xmpstring@Base 2.5.0
 xmp_files_check_file_format@Base 2.5.0
 xmp_files_close@Base 2.5.0
 xmp_files_free@Base 2.5.0
 xmp_files_get_file_info@Base 2.5.0
 xmp_files_get_format_info@Base 2.5.0
 xmp_files_get_new_xmp@Base 2.5.0
 xmp_files_get_xmp@Base 2.5.0
 xmp_files_get_xmp_xmpstring@Base 2.5.0
 xmp_files_new@Base 2.5.0
 xmp_files_open@Base 2.5.0
 xmp_files_open_new@Base 2.5.0
 xmp_files_put_xmp@Base 2.5.0
 xmp_files_put_xmp_cstr@Base 2.5.0
 xmp_files_put_xmp_xmpstring@Base 2.5.0
 xmp_free@Base 2.5.0
 xmp_get_array_item@Base 2.5.0
 xmp_get_error@Base 2.5.0
 xmp_get_localized_text@Base 2.5.0
 xmp_get_property@Base 2.5.0
 xmp_get_property_bool@Base 2.5.0
 xmp_get_property_date@Base 2.5.0
 xmp_get_property_float@Base 2.5.0
 xmp_get_property_int32@Base 2.5.0
 xmp_get_property_int64@Base 2.5.0
 xmp_has_property@Base 2.5.0
 xmp_init@Base 2.5.0
 xmp_iterator_free@Base 2.5.0
 xmp_iterator_new@Base 2.5.0
 xmp_iterator_next@Base 2.5.0
 xmp_iterator_skip@Base 2.5.0
 xmp_namespace_prefix@Base 2.5.0
 xmp_new@Base 2.5.0
 xmp_new_empty@Base 2.5.0
 xmp_parse@Base 2.5.0
 xmp_prefix_namespace_uri@Base 2.5.0
 xmp_register_namespace@Base 2.5.0
 xmp_serialize@Base 2.5.0
 xmp_serialize_and_format@Base 2.5.0
 xmp_set_array_item@Base 2.5.0
 xmp_set_localized_text@Base 2.5.0
 xmp_set_property@Base 2.5.0
 xmp_set_property_bool@Base 2.5.0
 xmp_set_property_date@Base 2.5.0
 xmp_set_property_float@Base 2.5.0
 xmp_set_property_int32@Base 2.5.0
 xmp_set_property_int64@Base 2.5.0
 xmp_string_cstr@Base 2.5.0
 xmp_string_free@Base 2.5.0
 xmp_string_len@Base 2.5.0
 xmp_string_new@Base 2.5.0
 xmp_terminate@Base 2.5.0

      Are the _Z* symbols supposed to be exported?

    • Hubert Figuiere
      Hubert Figuiere @hub ·
      Owner

      They look like template instanciations from the libstdc++. But how do you get this list?

      nm doesn't show them, and nm -D show them as weak.

      Edited by Hubert Figuiere
    • Michael Biebl
      Michael Biebl @mbiebl ·

      I get them when building the debian package which run dpkg-gensymbols

      $ dpkg-gensymbols  -plibexempi8   
dpkg-gensymbols: warning: new libraries appeared in the symbols file: libexempi.so.8
dpkg-gensymbols: warning: debian/tmp/DEBIAN/symbols doesn't match completely debian/libexempi8.symbols
--- debian/libexempi8.symbols (libexempi8_2.5.0-2_amd64)
+++ dpkg-gensymbolsM9hFyI	2019-01-09 16:49:56.068758323 +0100
@@ -0,0 +1,169 @@
+libexempi.so.8 libexempi8 #MINVER#
+ NS_CAMERA_RAW_SAVED_SETTINGS@Base 2.5.0-2
+ NS_CAMERA_RAW_SETTINGS@Base 2.5.0-2
+ NS_CC@Base 2.5.0-2
+ NS_CRS@Base 2.5.0-2
+ NS_DC@Base 2.5.0-2
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      Internally, dpkg-gensymbols seems to use objdump -w -f -p -T -R debian/tmp/usr/lib/x86_64-linux-gnu/libexempi.so.8 https://sources.debian.org/src/dpkg/1.19.2/scripts/Dpkg/Shlibs/Objdump.pm/#L285

    • Hubert Figuiere
      Hubert Figuiere @hub ·
      Owner

      if you do objdump -T -R you'll notice the C++ symbols are 'weak'. They are all template instanciations from the libstdc++

    • Hubert Figuiere changed milestone to %2.5.0

      changed milestone to %2.5.0

    • Hubert Figuiere mentioned in merge request !5 (closed)

      mentioned in merge request !5 (closed)

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