oofcanvas fails to configure on 10.6: Package 'gl', required by 'epoxy', not found

[barracuda156]

--->  Configuring oofcanvas
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_oofcanvas/oofcanvas/work/build" && /opt/local/bin/cmake -G "CodeBlocks - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="/opt/local" -DCMAKE_INSTALL_NAME_DIR="/opt/local/lib" -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr" -DCMAKE_C_COMPILER="$CC" -DCMAKE_CXX_COMPILER="$CXX" -DCMAKE_OBJC_COMPILER="$CC" -DCMAKE_OBJCXX_COMPILER="$CXX" -DCMAKE_POLICY_DEFAULT_CMP0025=NEW -DCMAKE_POLICY_DEFAULT_CMP0060=NEW -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON -DCMAKE_FIND_FRAMEWORK=LAST -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_MAKE_PROGRAM=/usr/bin/make -DCMAKE_MODULE_PATH="/opt/local/share/cmake/Modules" -DCMAKE_PREFIX_PATH="/opt/local/share/cmake/Modules" -DCMAKE_BUILD_WITH_INSTALL_RPATH:BOOL=ON -DCMAKE_INSTALL_RPATH="/opt/local/lib" -Wno-dev -DOOFCANVAS_SWIG_VERSION=4.1 -DOOFCANVAS_PYTHON_API=Python3 -DOOFCANVAS_PYTHON3_VERSION=3.11 -DOOFCANVAS_SYSTEM_INSTALL=ON -DOOFCANVAS_USE_IMAGEMAGICK=ON -DCMAKE_OSX_ARCHITECTURES="ppc" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.6" -DCMAKE_OSX_SYSROOT="/" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_oofcanvas/oofcanvas/work/oofcanvas-1.1.1 
-- The C compiler identification is GNU 12.2.0
-- The CXX compiler identification is GNU 12.2.0
-- Checking whether C compiler has -isysroot
-- Checking whether C compiler has -isysroot - yes
-- Checking whether C compiler supports OSX deployment target flag
-- Checking whether C compiler supports OSX deployment target flag - yes
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /opt/local/bin/gcc-mp-12 - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Checking whether CXX compiler has -isysroot
-- Checking whether CXX compiler has -isysroot - yes
-- Checking whether CXX compiler supports OSX deployment target flag
-- Checking whether CXX compiler supports OSX deployment target flag - yes
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /opt/local/bin/g++-mp-12 - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found Python: /opt/local/bin/python3.11 (found version "3.11.5") found components: Interpreter 
-- Found Python3: /opt/local/bin/python3.11 (found suitable exact version "3.11.5") found components: Interpreter Development Development.Module Development.Embed 
-- Found SWIG: /opt/local/bin/swig (found version "4.1.1")  
-- Found SWIG: /opt/local/bin/swig (found suitable version "4.1.1", minimum required is "4.1") found components: python 
-- Found PkgConfig: /opt/local/bin/pkg-config (found version "0.29.2") 
-- Checking for module 'gtk+-3.0>=3.22'
--   Package 'gl', required by 'epoxy', not found
CMake Error at /opt/local/share/cmake-3.27/Modules/FindPkgConfig.cmake:607 (message):
  A required package was not found
Call Stack (most recent call first):
  /opt/local/share/cmake-3.27/Modules/FindPkgConfig.cmake:829 (_pkg_check_modules_internal)
  CMakeLists.txt:411 (pkg_check_modules)


-- Configuring incomplete, errors occurred!
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_oofcanvas/oofcanvas/work/build" && /opt/local/bin/cmake -G "CodeBlocks - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="/opt/local" -DCMAKE_INSTALL_NAME_DIR="/opt/local/lib" -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr" -DCMAKE_C_COMPILER="$CC" -DCMAKE_CXX_COMPILER="$CXX" -DCMAKE_OBJC_COMPILER="$CC" -DCMAKE_OBJCXX_COMPILER="$CXX" -DCMAKE_POLICY_DEFAULT_CMP0025=NEW -DCMAKE_POLICY_DEFAULT_CMP0060=NEW -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON -DCMAKE_FIND_FRAMEWORK=LAST -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_MAKE_PROGRAM=/usr/bin/make -DCMAKE_MODULE_PATH="/opt/local/share/cmake/Modules" -DCMAKE_PREFIX_PATH="/opt/local/share/cmake/Modules" -DCMAKE_BUILD_WITH_INSTALL_RPATH:BOOL=ON -DCMAKE_INSTALL_RPATH="/opt/local/lib" -Wno-dev -DOOFCANVAS_SWIG_VERSION=4.1 -DOOFCANVAS_PYTHON_API=Python3 -DOOFCANVAS_PYTHON3_VERSION=3.11 -DOOFCANVAS_SYSTEM_INSTALL=ON -DOOFCANVAS_USE_IMAGEMAGICK=ON -DCMAKE_OSX_ARCHITECTURES="ppc" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.6" -DCMAKE_OSX_SYSROOT="/" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_oofcanvas/oofcanvas/work/oofcanvas-1.1.1 
Exit code: 1

[snarkhunter (Steve Langer)]

This looks like something's wrong in the dependencies, not in oofcanvas itself. Can you install other ports that depend on gtk3?

[ryandesign (Ryan Carsten Schmidt)]

Replying to barracuda156:

-- Checking for module 'gtk+-3.0>=3.22'
--   Package 'gl', required by 'epoxy', not found

Everything ok with your mesa port?

% port provides /opt/local/lib/pkgconfig/gl.pc
/opt/local/lib/pkgconfig/gl.pc is provided by: mesa