-- Could NOT find LOG4CPP (missing: LOG4CPP_INCLUDE_DIRS LOG4CPP_LIBRARIES)
I am trying to build o nGentoo, and log4cpp is installed:
[I] dev-libs/log4cpp
Available versions: 1.1(0/5)^t ~1.1.3(0/5)^t {doc static-libs test ABI_MIPS="n32 n64 o32" ABI_RISCV="ilp32 ilp32d lp64 lp64d" ABI_S390="32 64" ABI_X86="32 64 x32"}
Installed versions: 1.1(0/5)^t(11:42:31 AM 09/11/2020)(-doc -static-libs -test ABI_MIPS="-n32 -n64 -o32" ABI_RISCV="-ilp32 -ilp32d -lp64 -lp64d" ABI_S390="-32 -64" ABI_X86="64 -32 -x32")
Homepage: http://log4cpp.sourceforge.net/
Description: C++ classes for flexible logging to files, syslog and other destinations
Here are the files from that:
# equery f log4cpp
* Searching for log4cpp ...
* Contents of dev-libs/log4cpp-1.1:
/usr
/usr/bin
/usr/bin/log4cpp-config -> x86_64-pc-linux-gnu-log4cpp-config
/usr/bin/x86_64-pc-linux-gnu-log4cpp-config
/usr/include
/usr/include/log4cpp
/usr/include/log4cpp/AbortAppender.hh
/usr/include/log4cpp/Appender.hh
/usr/include/log4cpp/AppenderSkeleton.hh
/usr/include/log4cpp/AppendersFactory.hh
/usr/include/log4cpp/BasicConfigurator.hh
/usr/include/log4cpp/BasicLayout.hh
/usr/include/log4cpp/BufferingAppender.hh
/usr/include/log4cpp/Category.hh
/usr/include/log4cpp/CategoryStream.hh
/usr/include/log4cpp/Configurator.hh
/usr/include/log4cpp/Export.hh
/usr/include/log4cpp/FactoryParams.hh
/usr/include/log4cpp/FileAppender.hh
/usr/include/log4cpp/Filter.hh
/usr/include/log4cpp/FixedContextCategory.hh
/usr/include/log4cpp/HierarchyMaintainer.hh
/usr/include/log4cpp/IdsaAppender.hh
/usr/include/log4cpp/Layout.hh
/usr/include/log4cpp/LayoutAppender.hh
/usr/include/log4cpp/LayoutsFactory.hh
/usr/include/log4cpp/LevelEvaluator.hh
/usr/include/log4cpp/LoggingEvent.hh
/usr/include/log4cpp/Manipulator.hh
/usr/include/log4cpp/NDC.hh
/usr/include/log4cpp/NTEventLogAppender.hh
/usr/include/log4cpp/OstreamAppender.hh
/usr/include/log4cpp/PassThroughLayout.hh
/usr/include/log4cpp/PatternLayout.hh
/usr/include/log4cpp/Portability.hh
/usr/include/log4cpp/Priority.hh
/usr/include/log4cpp/PropertyConfigurator.hh
/usr/include/log4cpp/RemoteSyslogAppender.hh
/usr/include/log4cpp/RollingFileAppender.hh
/usr/include/log4cpp/SimpleConfigurator.hh
/usr/include/log4cpp/SimpleLayout.hh
/usr/include/log4cpp/StringQueueAppender.hh
/usr/include/log4cpp/SyslogAppender.hh
/usr/include/log4cpp/TimeStamp.hh
/usr/include/log4cpp/TriggeringEventEvaluator.hh
/usr/include/log4cpp/TriggeringEventEvaluatorFactory.hh
/usr/include/log4cpp/Win32DebugAppender.hh
/usr/include/log4cpp/config-MinGW32.h
/usr/include/log4cpp/config-openvms.h
/usr/include/log4cpp/config-win32.h
/usr/include/log4cpp/config.h
/usr/include/log4cpp/convenience.h
/usr/include/log4cpp/threading
/usr/include/log4cpp/threading/BoostThreads.hh
/usr/include/log4cpp/threading/DummyThreads.hh
/usr/include/log4cpp/threading/MSThreads.hh
/usr/include/log4cpp/threading/OmniThreads.hh
/usr/include/log4cpp/threading/PThreads.hh
/usr/include/log4cpp/threading/Threading.hh
/usr/lib
/usr/lib/debug
/usr/lib/debug/usr
/usr/lib/debug/usr/lib64
/usr/lib/debug/usr/lib64/liblog4cpp.so.5.0.6.debug
/usr/lib64
/usr/lib64/liblog4cpp.so -> liblog4cpp.so.5.0.6
/usr/lib64/liblog4cpp.so.5 -> liblog4cpp.so.5.0.6
/usr/lib64/liblog4cpp.so.5.0.6
/usr/lib64/pkgconfig
/usr/lib64/pkgconfig/log4cpp.pc
/usr/share
/usr/share/aclocal
/usr/share/aclocal/log4cpp.m4
/usr/share/doc
/usr/share/doc/log4cpp-1.1
/usr/share/doc/log4cpp-1.1/AUTHORS
/usr/share/doc/log4cpp-1.1/ChangeLog.bz2
/usr/share/doc/log4cpp-1.1/NEWS
/usr/share/doc/log4cpp-1.1/README
/usr/share/doc/log4cpp-1.1/THANKS.bz2
/usr/share/doc/log4cpp-1.1/TODO.bz2
Any ideas?