librsvg: add a new recipe

[valgur]

Adds librsvg: https://gitlab.gnome.org/GNOME/librsvg

Depends on Rust: #20991

• Resolves [request] librsvg/2.54 #11392

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[conan-center-bot]

Conan v1 pipeline ❌

Failure in build 3 (9b22fc730bff25bfbdd24046112fe9e30354e094):

• librsvg/2.57.0:
  Error running command conan info librsvg/2.57.0@#42b49ae2dc6198c0412c049401b4d9fc --json {jsonName} -pr {profileName}:

  [settings]
  arch=x86_64
  build_type=Release
  compiler=gcc
  compiler.libcxx=libstdc++11
  compiler.version=5
  os=Linux
  [options]
  librsvg:shared=False
  
  ...
  WARN: pcre2/10.42: requirement zlib/[>=1.2.11 <2] overridden by glib/2.78.1 to zlib/1.3 
  WARN: libpng/1.6.40: requirement zlib/[>=1.2.11 <2] overridden by freetype/2.13.0 to zlib/1.3 
  WARN: fontconfig/2.14.2: requirement freetype/2.13.2 overridden by librsvg/2.57.0 to freetype/2.13.0 
  WARN: cairo/1.18.0: requirement freetype/2.13.2 overridden by librsvg/2.57.0 to freetype/2.13.0 
  WARN: harfbuzz/8.2.2: requirement freetype/2.13.2 overridden by librsvg/2.57.0 to freetype/2.13.0 
  ERROR: Failed requirement 'pango/1.51.0' from 'librsvg/2.57.0'
  ERROR: Unable to find 'pango/1.51.0' in remotes
  

---

^{Note: To save resources, CI tries to finish as soon as an error is found. For this reason you might find that not all the references have been launched or not all the configurations for a given reference. Also, take into account that we cannot guarantee the order of execution as it depends on CI workload and workers availability.}

---

Conan v2 pipeline ❌

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

The v2 pipeline failed. Please, review the errors and note this is required for pull requests to be merged. In case this recipe is still not ported to Conan 2.x, please, ping @conan-io/barbarians on the PR and we will help you.

See details:

Failure in build 3 (9b22fc730bff25bfbdd24046112fe9e30354e094):

• librsvg/2.57.0:
  Error running command conan graph info --requires librsvg/2.57.0@#42b49ae2dc6198c0412c049401b4d9fc -f json -pr:h /home/conan/w/prod-v2/bsr/78546/aecea/profile_linux_11_libstdcpp11_17_gcc_release_64.-shared-False.txt -pr:b /home/conan/w/prod-v2/bsr/78546/aecea/profile_linux_11_libstdcpp11_17_gcc_release_64..txt:

  ======== Computing dependency graph ========
  glib/2.78.1: Not found in local cache, looking in remotes...
  glib/2.78.1: Checking remote: conan-center
  glib/2.78.1: Downloaded recipe revision 6da549beee7208bd9fad0e6141581e8e
  zlib/1.3: Not found in local cache, looking in remotes...
  zlib/1.3: Checking remote: conan-center
  zlib/1.3: Downloaded recipe revision 06023034579559bb64357db3a53f88a4
  libffi/3.4.4: Not found in local cache, looking in remotes...
  libffi/3.4.4: Checking remote: conan-center
  libffi/3.4.4: Downloaded recipe revision 35eb63842b505824b70aedc1baefc916
  pcre2/10.42: Not found in local cache, looking in remotes...
  pcre2/10.42: Checking remote: conan-center
  pcre2/10.42: Downloaded recipe revision 74a354d74d291503aadffe6453d976f5
  bzip2/1.0.8: Not found in local cache, looking in remotes...
  bzip2/1.0.8: Checking remote: conan-center
  bzip2/1.0.8: Downloaded recipe revision 457c272f7da34cb9c67456dd217d36c4
  libelf/0.8.13: Not found in local cache, looking in remotes...
  libelf/0.8.13: Checking remote: conan-center
  libelf/0.8.13: Downloaded recipe revision 4f70a3555809ae50cc8add44f0f84288
  autoconf/2.71: Not found in local cache, looking in remotes...
  autoconf/2.71: Checking remote: conan-center
  autoconf/2.71: Downloaded recipe revision 53be95d228b2dcb30dc199cb84262d8f
  m4/1.4.19: Not found in local cache, looking in remotes...
  m4/1.4.19: Checking remote: conan-center
  m4/1.4.19: Downloaded recipe revision b38ced39a01e31fef5435bc634461fd2
  gnu-config/cci.20210814: Not found in local cache, looking in remotes...
  gnu-config/cci.20210814: Checking remote: conan-center
  gnu-config/cci.20210814: Downloaded recipe revision dc430d754f465e8c74463019672fb97b
  libmount/2.39: Not found in local cache, looking in remotes...
  libmount/2.39: Checking remote: conan-center
  libmount/2.39: Downloaded recipe revision 9b2a81545c28668d2281639cc1657dd5
  libselinux/3.5: Not found in local cache, looking in remotes...
  libselinux/3.5: Checking remote: conan-center
  libselinux/3.5: Downloaded recipe revision 776f35e238362c6b893220f437cb89ae
  flex/2.6.4: Not found in local cache, looking in remotes...
  flex/2.6.4: Checking remote: conan-center
  flex/2.6.4: Downloaded recipe revision e35bc44b3fcbcd661e0af0dc5b5b1ad4
  pkgconf/2.0.3: Not found in local cache, looking in remotes...
  pkgconf/2.0.3: Checking remote: conan-center
  pkgconf/2.0.3: Downloaded recipe revision f996677e96e61e6552d85e83756c328b
  meson/1.2.2: Not found in local cache, looking in remotes...
  meson/1.2.2: Checking remote: conan-center
  meson/1.2.2: Downloaded recipe revision aace9dcc1db58fa42ecb5292f724092d
  ninja/1.11.1: Not found in local cache, looking in remotes...
  ninja/1.11.1: Checking remote: conan-center
  ninja/1.11.1: Downloaded recipe revision 77587f8c8318662ac8e5a7867eb4be21
  freetype/2.13.0: Not found in local cache, looking in remotes...
  freetype/2.13.0: Checking remote: conan-center
  freetype/2.13.0: Downloaded recipe revision 28bb2425d43c8bf7dbcfb024d847f5fb
  libpng/1.6.40: Not found in local cache, looking in remotes...
  libpng/1.6.40: Checking remote: conan-center
  libpng/1.6.40: Downloaded recipe revision 0337b7b87ac125307ed70fd064c31eea
  brotli/1.1.0: Not found in local cache, looking in remotes...
  brotli/1.1.0: Checking remote: conan-center
  brotli/1.1.0: Downloaded recipe revision d56d7bb9ca722942aba17369cb5c0519
  fontconfig/2.14.2: Not found in local cache, looking in remotes...
  fontconfig/2.14.2: Checking remote: conan-center
  fontconfig/2.14.2: Downloaded recipe revision e43d6947356e29dee0ab8b05f75bd900
  Graph root
      cli
  Requirements
      brotli/1.1.0#d56d7bb9ca722942aba17369cb5c0519 - Downloaded (conan-center)
      bzip2/1.0.8#457c272f7da34cb9c67456dd217d36c4 - Downloaded (conan-center)
      fontconfig/2.14.2#e43d6947356e29dee0ab8b05f75bd900 - Downloaded (conan-center)
      freetype/2.13.0#28bb2425d43c8bf7dbcfb024d847f5fb - Downloaded (conan-center)
      glib/2.78.1#6da549beee7208bd9fad0e6141581e8e - Downloaded (conan-center)
      libelf/0.8.13#4f70a3555809ae50cc8add44f0f84288 - Downloaded (conan-center)
      libffi/3.4.4#35eb63842b505824b70aedc1baefc916 - Downloaded (conan-center)
      libmount/2.39#9b2a81545c28668d2281639cc1657dd5 - Downloaded (conan-center)
      libpng/1.6.40#0337b7b87ac125307ed70fd064c31eea - Downloaded (conan-center)
      librsvg/2.57.0#42b49ae2dc6198c0412c049401b4d9fc - Cache
      libselinux/3.5#776f35e238362c6b893220f437cb89ae - Downloaded (conan-center)
      pcre2/10.42#74a354d74d291503aadffe6453d976f5 - Downloaded (conan-center)
      zlib/1.3#06023034579559bb64357db3a53f88a4 - Downloaded (conan-center)
  Build requirements
      autoconf/2.71#53be95d228b2dcb30dc199cb84262d8f - Downloaded (conan-center)
      flex/2.6.4#e35bc44b3fcbcd661e0af0dc5b5b1ad4 - Downloaded (conan-center)
      gnu-config/cci.20210814#dc430d754f465e8c74463019672fb97b - Downloaded (conan-center)
      m4/1.4.19#b38ced39a01e31fef5435bc634461fd2 - Downloaded (conan-center)
      meson/1.2.2#aace9dcc1db58fa42ecb5292f724092d - Downloaded (conan-center)
      ninja/1.11.1#77587f8c8318662ac8e5a7867eb4be21 - Downloaded (conan-center)
      pkgconf/2.0.3#f996677e96e61e6552d85e83756c328b - Downloaded (conan-center)
  Resolved version ranges
      zlib/[>=1.2.11 <2]: zlib/1.3
  Graph error
      Version conflict: Conflict between freetype/2.13.2 and freetype/2.13.0 in the graph.
  Conflict originates from fontconfig/2.14.2
  
  Run conan graph info with your recipe and add --format=html to inspect the graph errors in an easier to visualize way.
  ERROR: Version conflict: Conflict between freetype/2.13.2 and freetype/2.13.0 in the graph.
  Conflict originates from fontconfig/2.14.2
  
  Run conan graph info with your recipe and add --format=html to inspect the graph errors in an easier to visualize way.
  

---

^{Note: To save resources, CI tries to finish as soon as an error is found. For this reason you might find that not all the references have been launched or not all the configurations for a given reference. Also, take into account that we cannot guarantee the order of execution as it depends on CI workload and workers availability.}

[valgur]

Unfortunately, this recipe is currently seriously broken due to the shortcomings of the system_deps Cargo crate used to wrap "system" dependencies like Pango, Cairo and all other dependencies provided by Conan in the Rust build. The system_deps crate adds all libdir paths to the linker flags simultaneously, which causes the .so files from /usr/lib/... to be picked up by the linker due to xorg/system and opengl/system.
I managed to work around it in the project by heavily patching the build.rs files, but it is also affects all transitive deps like cairo-sys-rs, etc.

Would have to collaborate with system_deps to get this fixed more generally or find a way to inject a patched version of it for all projects making use of it, which is far from ideal. 🙁