mman.h
-- Looking for C++ include sys/mman.h - found
-- Looking for C++ include regex.h
-- Looking for C++ include regex.h - found
-- Found Doxygen: /usr/bin/doxygen (found version "1.8.18") found components: doxygen dot 
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY - Success
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY - Success
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR - Success
-- Found Gettext: /usr/bin/msgmerge (found version "0.20.2") 
-- Install prefix:    /usr
-- ------------------------------------------------------------------
-- CMake Generator:   Unix Makefiles
-- CMAKE_BUILD_TYPE:  
-- Compiler info: GNU (/usr/bin/g++) ; version: 10.2.1
-- CMAKE_CXX_STANDARD:
--  --- Compiler flags --- 
-- General:           -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  -fasynchronous-unwind-tables -fstack-clash-protection
-- Extra:              
-- Debug:             -g3 -gstrict-dwarf -O0
-- Release:           -DNDEBUG
-- RelWithDebInfo:    -O2 -g -DNDEBUG
-- MinSizeRel:        -Os -DNDEBUG
--  --- Linker flags --- 
-- General:           -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld
-- Debug:             
-- Release:           
-- RelWithDebInfo:    
-- MinSizeRel:        
	 -fstack-clash-protection
	 -fstack-protector-strong
	 -Wp,-D_GLIBCXX_ASSERTIONS
	 -Wall
	 -Wcast-align
	 -Wpointer-arith
	 -Wformat-security
	 -Wmissing-format-attribute
	 -Woverloaded-virtual
	 -W
-- 
-- Compiler Options
-- Warnings as errors:                 NO
-- Use extra compiler warning flags:   NO
-- 
-- ------------------------------------------------------------------
-- Building shared library:            YES
-- Building PNG support:               YES
-- XMP metadata support:               YES
-- Native language support:            YES
-- Conversion of Windows XP tags:      YES
-- Nikon lens database:                YES
-- Building video support:             NO
-- Building webready support:          NO
-- Building exiv2 command:             YES
-- Building samples:                   NO
-- Building PO files:                  NO
-- Building unit tests:                NO
-- Building doc:                       YES
-- Building with coverage flags:       NO
-- Using ccache:                       NO
-- ------------------------------------------------------------------
--  WARNING: Deprecated features: EPS, Video, Ssh
-- ------------------------------------------------------------------
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:
    CMAKE_C_FLAGS_RELEASE
    CMAKE_Fortran_FLAGS_RELEASE
    INCLUDE_INSTALL_DIR
    LIB_INSTALL_DIR
    LIB_SUFFIX
    SHARE_INSTALL_PREFIX
    SYSCONF_INSTALL_DIR
-- Build files have been written to: /builddir/build/BUILD/exiv2-0.27.3-Source/riscv64-redhat-linux-gnu
+ /usr/bin/make -O -j4 V=1 VERBOSE=1
make: *** No targets specified and no makefile found.  Stop.
error: Bad exit status from /var/tmp/rpm-tmp.xTOlTA (%build)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.xTOlTA (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/exiv2.spec