* installing *source* package ‘sybilSBML’ ...
** package ‘sybilSBML’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... clang -target arm64-apple-macos11
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether clang -target arm64-apple-macos11 accepts -g... yes
checking for clang -target arm64-apple-macos11 option to accept ISO C89... none needed
checking how to run the C preprocessor... clang -target arm64-apple-macos11 -E
checking for pkg-config... /opt/R/arm64/bin/pkg-config
configure: set compile and link flags according to pkg-config
configure: compile flags are -I/opt/R/arm64/include -I/opt/R/arm64/include/libxml2 
configure: link flags are -L/opt/R/arm64/lib -lsbml 
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... rm: conftest.dSYM: is a directory
rm: conftest.dSYM: is a directory
yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking sbml/SBMLTypes.h usability... no
checking sbml/SBMLTypes.h presence... no
checking for sbml/SBMLTypes.h... no
configure: error: Could not find SBMLTypes.h:
      sybilSBML requires libSBML from http://www.sbml.org/.
      use --with-sbml-include or PKG_CPPFLAGS to specify the include path.
ERROR: configuration failed for package ‘sybilSBML’
* removing ‘/Users/ripley/R/packages/tests-devel/sybilSBML.Rcheck/sybilSBML’