I get the following error after writing 

"git clone <https://github.com/xroche/httrack.git> --recurse
cd httrack
./configure --prefix=$HOME/usr && make -j8 && make install"

"libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wall -Wformat
-Wformat-security -Wmultichar -Wwrite-strings -Wcast-qual -Wcast-align
-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wdeclaration-after-statement -Wpointer-arith -Wsequence-point
-Wnested-externs -D_REENTRANT -Wparentheses -Winit-self
-Wunused-but-set-parameter -Waddress -Wuninitialized -Wformat=2
-Wformat-nonliteral -Wmissing-parameter-type -Wold-style-definition
-Wignored-qualifiers -fstrict-aliasing -Wstrict-aliasing
-DPREFIX=\"/home/Georg/usr\" -DSYSCONFDIR=\"/home/Georg/usr/etc\"
-DDATADIR=\"/home/Georg/usr/share\" -DLIBDIR=\"/home/Georg/usr/lib\"
-I/c/users/Georg/desktop/winhttrack/src
-I/c/users/Georg/desktop/winhttrack/src/coucal -I/usr/include
-fvisibility=hidden -DLIBHTTRACK_EXPORTS -DZLIB_CONST -g -O2 -MT
libhttrack_la-htslib.lo -MD -MP -MF .deps/libhttrack_la-htslib.Tpo -c htslib.c
-o libhttrack_la-htslib.o >/dev/null 2>&1
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wall -Wformat
-Wformat-security -Wmultichar -Wwrite-strings -Wcast-qual -Wcast-align
-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wdeclaration-after-statement -Wpointer-arith -Wsequence-point
-Wnested-externs -D_REENTRANT -Wparentheses -Winit-self
-Wunused-but-set-parameter -Waddress -Wuninitialized -Wformat=2
-Wformat-nonliteral -Wmissing-parameter-type -Wold-style-definition
-Wignored-qualifiers -fstrict-aliasing -Wstrict-aliasing
-DPREFIX=\"/home/Georg/usr\" -DSYSCONFDIR=\"/home/Georg/usr/etc\"
-DDATADIR=\"/home/Georg/usr/share\" -DLIBDIR=\"/home/Georg/usr/lib\"
-I/c/users/Georg/desktop/winhttrack/src
-I/c/users/Georg/desktop/winhttrack/src/coucal -I/usr/include
-fvisibility=hidden -DLIBHTTRACK_EXPORTS -DZLIB_CONST -g -O2 -MT
libhttrack_la-htsindex.lo -MD -MP -MF .deps/libhttrack_la-htsindex.Tpo -c
htsindex.c  -DDLL_EXPORT -DPIC -o .libs/libhttrack_la-htsindex.o
<command-line>: error: expected identifier or '(' before string constant
make[2]: *** [Makefile:909: libhttrack_la-htsthread.lo] Error 1
make[2]: *** Waiting for unfinished jobs...."