dnl file : m4/libmysqlclient.m4 dnl copyright : Copyright (c) 2009-2017 Code Synthesis Tools CC dnl license : GNU GPL v2; see accompanying LICENSE file dnl dnl LIBMYSQLCLIENT(MULTI-THREADED=none|<other>, dnl [ACTION-IF-FOUND[, dnl ACTION-IF-NOT-FOUND]]) dnl dnl AC_DEFUN([LIBMYSQLCLIENT], [ libmysqlclient_found=no if test x"$1" != xnone; then libmysqlclient_name=mysqlclient_r else libmysqlclient_name=mysqlclient fi AC_MSG_CHECKING([for lib$libmysqlclient_name]) save_LIBS="$LIBS" LIBS="-l$libmysqlclient_name $LIBS" # Some distributions (e.g., Fedora) hide the library in the mysql/ # subdirectory. # libmysqlclient_paths="none /usr/lib/mysql /usr/lib64/mysql" for path in $libmysqlclient_paths; do if test x"path" != xnone; then save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$path" fi CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #ifdef _WIN32 # include <winsock2.h> #endif #include <mysql/mysql.h> int main () { MYSQL handle; mysql_init (&handle); mysql_real_connect (&handle, 0, 0, 0, 0, 0, 0, 0); MYSQL_STMT* stmt = mysql_stmt_init (&handle); mysql_stmt_close (stmt); mysql_close (&handle); } ])], [ libmysqlclient_found=yes libmysqlclient_include=long ]) if test x"$libmysqlclient_found" = xyes; then break; fi CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #ifdef _WIN32 # include <winsock2.h> #endif #include <mysql.h> int main () { MYSQL handle; mysql_init (&handle); mysql_real_connect (&handle, 0, 0, 0, 0, 0, 0, 0); MYSQL_STMT* stmt = mysql_stmt_init (&handle); mysql_stmt_close (stmt); mysql_close (&handle); } ])], [ libmysqlclient_found=yes libmysqlclient_include=short ]) if test x"$libmysqlclient_found" = xyes; then break; fi if test x"path" != xnone; then LDFLAGS="$save_LDFLAGS" fi done if test x"$libmysqlclient_found" = xno; then LIBS="$save_LIBS" fi if test x"$libmysqlclient_found" = xyes; then AC_MSG_RESULT([yes]) $2 else AC_MSG_RESULT([no]) $3 fi # Check if the THR_KEY_mysys pthread key symbol is visible. # libmysqlclient_thr_key_visible=no if test x"$libmysqlclient_found" = xyes -a x"$1" = xposix; then CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <pthread.h> extern pthread_key_t THR_KEY_mysys; int main () { return pthread_getspecific (THR_KEY_mysys) != 0; } ])], [ libmysqlclient_thr_key_visible=yes ]) fi ])dnl