my environment
[root@11 bitcoin-31bfc272c7b2d1ff45d70bd19047bfe866296589]# cat /etc/issue
CentOS release 6.7 (Final) Kernel \r on an \m
[root@11 bitcoin-31bfc272c7b2d1ff45d70bd19047bfe866296589]# whereis pkgconfig
pkgconfig: /usr/lib/pkgconfig /usr/lib64/pkgconfig /usr/local/lib/pkgconfig /usr/share/pkgconfig
when i compile got this
[root@11 bitcoin-31bfc272c7b2d1ff45d70bd19047bfe866296589]# sh autogen.sh
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, build-aux'. libtoolize: copying filebuild-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, build-aux/m4'. libtoolize: copying filebuild-aux/m4/libtool.m4'
libtoolize: copying file build-aux/m4/ltoptions.m4' libtoolize: copying filebuild-aux/m4/ltsugar.m4'
libtoolize: copying file build-aux/m4/ltversion.m4' libtoolize: copying filebuild-aux/m4/lt~obsolete.m4'
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, build-aux'. libtoolize: copying filebuild-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, build-aux/m4'. libtoolize: copying filebuild-aux/m4/libtool.m4'
libtoolize: copying file build-aux/m4/ltoptions.m4' libtoolize: copying filebuild-aux/m4/ltsugar.m4'
libtoolize: copying file build-aux/m4/ltversion.m4' libtoolize: copying filebuild-aux/m4/lt~obsolete.m4'
configure.ac:902: error: possibly undefined macro: PKG_CONFIG_LIBDIR
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1