Hi, I am using Windows XP (64 bit). I want to build gretl on windows. After downloading and installing MinGW and MSYS I downloaded and installed the all-in-on bundle of GTK+ for win64 on http://ftp.acc.umu.se/pub/gnome/binaries/win64/gtk+/2.20/ then installed all files from http://ricardo.ecn.wfu.edu/pub/gretl/winbuild/ and follow the instructions given in NOTE file there. When typing "make" in c:\gretl\win32 got the following output with errors, how to solve it??? /bin/sh: pkg-config: command not found /bin/sh: pkg-config: command not found /bin/sh: pkg-config: command not found gcc -Wall -O2 -mms-bitfields -DWIN32 -Wall -o builddate ../builddate.c ./builddate build.h is current mkdir -p dlls mkdir -p plugins mkdir -p import-libs gcc -Wall -O2 -mms-bitfields -DWIN32 -c -I. -I../lib/src -I../plugin -I../gui2 -Ic:/mingw/include/libxml2 -I../plugin/zipunzip -I/opt/R/lib/R/include -DUSE_GMP ../lib/src/csvdata.c ../lib/src/csvdata.c:27:18: glib.h: No such file or directory ../lib/src/csvdata.c: In function `utf8_ok': ../lib/src/csvdata.c:1086: warning: implicit declaration of function `g_utf8_validate' ../lib/src/csvdata.c: At top level: ./lib/src/csvdata.c:1827: error: syntax error before '*' token ../lib/src/csvdata.c: In function `label_is_valid': ../lib/src/csvdata.c:1829: error: `s' undeclared (first use in this function) ../lib/src/csvdata.c:1829: error: (Each undeclared identifier is reported only once ../lib/src/csvdata.c:1829: error: for each function it appears in.) ../lib/src/csvdata.c:1832: warning: implicit declaration of function `g_utf8_strlen' ../lib/src/csvdata.c:1833: error: `gunichar' undeclared (first use in this function) ../lib/src/csvdata.c:1833: error: syntax error before "u" ../lib/src/csvdata.c:1836: error: `u' undeclared (first use in this function) ../lib/src/csvdata.c:1836: warning: implicit declaration of function `g_utf8_get_char' ../lib/src/csvdata.c:1840: warning: implicit declaration of function `g_utf8_next_char' ../lib/src/csvdata.c: In function `real_read_labels_and_data': ../lib/src/csvdata.c:1894: error: `gchar' undeclared (first use in this function) ../lib/src/csvdata.c:1894: error: syntax error before ')' token ../lib/src/csvdata.c:1897: error: syntax error before "else" ../lib/src/csvdata.c: At top level: ../lib/src/csvdata.c:1906: error: syntax error before "if" ../lib/src/csvdata.c:1914: warning: type defaults to `int' in declaration of `err' ../lib/src/csvdata.c:1914: error: `drop' undeclared here (not in a function) ../lib/src/csvdata.c:1914: error: `c' undeclared here (not in a function) ../lib/src/csvdata.c:1914: error: initializer element is not constant ../lib/src/csvdata.c:1914: warning: data definition has no type or storage class ../lib/src/csvdata.c:1915: error: syntax error before '}' token ../lib/src/csvdata.c: In function `csv_parsing_header': ../lib/src/csvdata.c:1942: error: `gchar' undeclared (first use in this function) ../lib/src/csvdata.c:1942: error: `trfname' undeclared (first use in this function) ../lib/src/csvdata.c:1942: warning: implicit declaration of function `g_locale_to_utf8' ../lib/src/csvdata.c:1945: warning: implicit declaration of function `g_free' make: *** [csvdata.o] Error 1 Need urgent help. Thanks! Haider.