Hi, Trying to build the develop branch; I've managed to get the source downloaded and built, but the makefile in "interfaces/R" fails.
Do I need to run a command before I run make in this directory? Here is what I do (running a recent Debian machine): $ git clone https://github.com/igraph/igraph.git -b develop $ cd igraph $ ./bootstrap.sh $ configure $ make $ make check (everything is ok) $ cd interfaces/R $ make (lots of mkdir -p, and then:) printf "%s" "OBJECTS=" >> igraph/src/Makevars.in cat object_files >> igraph/src/Makevars.in cd igraph; autoheader; autoconf autoconf: Undefined macros: configure.in:106:AC_LANG_POP([C++]) configure.in:109:AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have the GLPK library]) configure.in:115:AC_DEFINE(IGRAPH_THREAD_LOCAL, [], [We don't care about thread-local storage in R]) configure.in:117:AC_CONFIG_FILES([src/Makevars]) configure.in:23:AC_PROG_FC configure.in:25: AC_DEFINE([HAVE_GFORTRAN], [1], [Define to 1 if using the GNU fortran compiler]) configure.in:2:AC_CONFIG_SRCDIR(src/rinterface.c) configure.in:32:AC_LANG_PUSH([C++]) configure.in:33:AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ configure.in:37: [AC_PROG_CXXCPP configure.in:39: [AC_MSG_ERROR([no C++ compiler found or it cannot create executables])]) configure.in:3:AC_CONFIG_HEADERS(src/config.h) configure.in:40:AC_LANG_POP([C++]) configure.in:45:AC_CHECK_DECL([stpcpy], configure.in:46: [AC_DEFINE([HAVE_STPCPY_SIGNATURE], [1], [Define to 1 if the stpcpy function has a signature])]) configure.in:50: [AC_DEFINE([HAVE_TIMES_H], [1], [Define to 1 if you have the sys/times.h header])]) configure.in:54: AC_HELP_STRING([--disable-graphml], [Disable support for GraphML format]), configure.in:72: AC_DEFINE([HAVE_LIBXML], [1], [Define to 1 if you have the libxml2 libraries installed]) configure.in:89:AC_LANG_PUSH([C++]) configure.in:93:AC_ARG_ENABLE(gmp, AC_HELP_STRING([--disable-gmp], [Compile without the GMP library])) configure.in:98: AC_DEFINE([HAVE_GMP], [1], [Define to 1 if you have the GMP library]) make: *** [igraph/configure] Error 1
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