dnl file : m4/libpq.m4 dnl copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC dnl license : GNU GPL v2; see accompanying LICENSE file dnl dnl LIBPQ([ACTION-IF-FOUND[, dnl ACTION-IF-NOT-FOUND]]) dnl dnl AC_DEFUN([LIBPQ], [ libpq_found=no AC_PATH_PROG([pg_config],[pg_config]) AC_MSG_CHECKING([for libpq]) # Check for libpq using default CPPFLAGS/LDFLAGS. # save_LIBS="$LIBS" LIBS="-lpq $LIBS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <libpq-fe.h> int main () { PGconn* conn = PQconnectdb (""); char* dbname = PQdb (conn); PQfinish (conn); return 0; } ])], [ libpq_found=yes ]) if test x"$libpq_found" = xno; then # If default CPPFLAGS/LDFLAGS didn't work, try to discover # them using pg_config. # if test x"$libpq_found" = xno; then if test x"$pg_config" != x; then save_CPPFLAGS="$CPPFLAGS" CPPFLAGS=-I`$pg_config --includedir` CPPFLAGS="$CPPFLAGS $save_CPPFLAGS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <libpq-fe.h> int main () { PGconn* conn = PQconnectdb (""); char* dbname = PQdb (conn); PQfinish (conn); return 0; } ])], [ libpq_found=yes ]) if test x"$libpq_found" = xno; then CPPFLAGS="$save_CPPFLAGS" fi fi fi fi if test x"$libpq_found" = xyes; then AC_MSG_RESULT([yes]) $1 else LIBS="$save_LIBS" AC_MSG_RESULT([no]) $2 fi ])dnl