./configure: line 4585: syntax error: unexpected word (expecting ")")

[WhyNotHugo]

Running ./autogen.sh prints:

+ aclocal
+ autoheader --force
+ AUTOMAKE=automake intltoolize -c --automake --force
./autogen.sh: line 29: intltoolize: not found
+ automake --add-missing --copy --include-deps
configure.ac:2: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.  For more info, see:
configure.ac:2: https://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation
configure.ac:5: installing './compile'
configure.ac:2: installing './install-sh'
configure.ac:2: installing './missing'
Makefile.am: installing './INSTALL'
src/Makefile.am: installing './depcomp'
+ autoconf
configure.ac:2: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.
./lib/autoconf/general.m4:2434: AC_DIAGNOSE is expanded from...
aclocal.m4:1262: AM_INIT_AUTOMAKE is expanded from...
configure.ac:2: the top level
configure.ac:3: warning: 'AM_CONFIG_HEADER': this macro is obsolete.
configure.ac:3: You should use the 'AC_CONFIG_HEADERS' macro instead.
./lib/autoconf/general.m4:2434: AC_DIAGNOSE is expanded from...
aclocal.m4:1614: AM_CONFIG_HEADER is expanded from...
configure.ac:3: the top level
configure.ac:16: warning: The macro `AC_HELP_STRING' is obsolete.
configure.ac:16: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
configure.ac:16: the top level
configure.ac:22: warning: The macro `AC_HELP_STRING' is obsolete.
configure.ac:22: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
configure.ac:22: the top level
configure.ac:28: warning: The macro `AC_HELP_STRING' is obsolete.
configure.ac:28: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
configure.ac:28: the top level
configure.ac:34: warning: The macro `AC_HELP_STRING' is obsolete.
configure.ac:34: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
configure.ac:34: the top level
configure.ac:40: warning: The macro `AC_HELP_STRING' is obsolete.
configure.ac:40: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
configure.ac:40: the top level
configure.ac:47: warning: The macro `GLIB_GNU_GETTEXT' is obsolete.
configure.ac:47: You should run autoupdate.
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:465: GLIB_DEFINE_LOCALEDIR is expanded from...
aclocal.m4:488: AM_GLIB_DEFINE_LOCALEDIR is expanded from...
configure.ac:47: the top level
configure.ac:47: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:47: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
./lib/autoconf/general.m4:2270: AC_CACHE_CHECK is expanded from...
aclocal.m4:73: GLIB_LC_MESSAGES is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:465: GLIB_DEFINE_LOCALEDIR is expanded from...
aclocal.m4:488: AM_GLIB_DEFINE_LOCALEDIR is expanded from...
configure.ac:47: the top level
configure.ac:47: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:47: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
./lib/autoconf/general.m4:2270: AC_CACHE_CHECK is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/headers.m4:89: _AC_CHECK_HEADER_COMPILE is expanded from...
./lib/autoconf/headers.m4:56: AC_CHECK_HEADER is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:465: GLIB_DEFINE_LOCALEDIR is expanded from...
aclocal.m4:488: AM_GLIB_DEFINE_LOCALEDIR is expanded from...
configure.ac:47: the top level
configure.ac:47: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:47: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/headers.m4:89: _AC_CHECK_HEADER_COMPILE is expanded from...
./lib/autoconf/headers.m4:56: AC_CHECK_HEADER is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:465: GLIB_DEFINE_LOCALEDIR is expanded from...
aclocal.m4:488: AM_GLIB_DEFINE_LOCALEDIR is expanded from...
configure.ac:47: the top level
configure.ac:47: warning: The macro `AC_OUTPUT_COMMANDS' is obsolete.
configure.ac:47: You should run autoupdate.
./lib/autoconf/status.m4:1025: AC_OUTPUT_COMMANDS is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:465: GLIB_DEFINE_LOCALEDIR is expanded from...
aclocal.m4:488: AM_GLIB_DEFINE_LOCALEDIR is expanded from...
configure.ac:47: the top level
configure.ac:49: warning: AC_OUTPUT should be used without arguments.
configure.ac:49: You should run autoupdate.
configure.ac:6: error: possibly undefined macro: AC_PROG_INTLTOOL
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
+ rm -rf autom4te.cache

Running ./configure outputs:

checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... ./install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... yes
checking whether make supports the include directive... yes (GNU style)
checking for gcc... gcc
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 the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... gcc3
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
./configure: line 4585: syntax error: unexpected word (expecting ")")

I see that configure is an autogenerated file. Is this an issue with one of the dependencies being used here (maybe Autoconf?)?