+AC_DEFUN([EX_CHECK_ALL],
+[ AC_CHECK_LIB($1,$2,
+ [ AC_CHECK_HEADER($3,[LIBS="-l$1 ${LIBS}"],[
+ [ $echo "#include <$3>" | $CC -E - > /dev/null ]
+ AC_MSG_ERROR([Adjust CPPFLAGS so that the $4 header $3 AND its dependencies gets found])
+ ] ) ],
+ [ AC_MSG_ERROR([
+############################################################################
+I could not find a working copy of $4. Check config.log for hints on why
+this is the case. Maybe you need to set LDFLAGS appropriately so that the
+linker can find lib$1. If you have not installed $4, you can get it
+either from its original home on
+
+ $6
+
+Or you can find an archive copy on
+
+ http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/pub/libs
+
+The last tested version of $4 is $5.
+############################################################################
+])] )
+]
+)
+
+dnl How the vertical axis label is printed
+AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE,
+ [Vertical label angle: 90.0 (default) or 270.0])
+AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
+ [Vertical label angle: 90.0 (default) or 270.0])
+
+
+AC_ARG_ENABLE(rrdcgi,[ --disable-rrdcgi disable building of rrdcgi],
+[],[enable_rrdcgi=yes])
+AM_CONDITIONAL(BUILD_RRDCGI,[test $enable_rrdcgi != no])
+
+if test $enable_rrdcgi != no; then
+EX_CHECK_ALL(cgi, cgiInit, cgi.h, cgilib, 0.5, http://www.infodrom.org/projects/cgilib)
+fi
+EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point, libart_lgpl/libart.h, libart_lgpl, 2.3.16, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/)
+EX_CHECK_ALL(z, zlibVersion, zlib.h, zlib, 1.2.1, http://www.gzip.org/zlib/)
+EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.5, http://prdownloads.sourceforge.net/libpng/)
+EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype, 2.1.5, http://prdownloads.sourceforge.net/freetype/)
+
+dnl Check for pthreads (pieces of code from Bert Driehuis)
+
+AC_SUBST(MULTITHREAD_CFLAGS)
+AC_SUBST(MULTITHREAD_LDFLAGS)
+
+AC_DEFUN(AC_CHECK_PTHREAD, [
+ AC_MSG_CHECKING([pthreads: trying no flags])
+ AC_CACHE_VAL(ac_cv_flag_pthread,[
+ AC_TRY_LINK([
+ #include <pthread.h>
+ ],
+ [pthread_exit(0);],
+ eval "ac_cv_flag_pthread=no",
+ [
+ AC_MSG_RESULT([didn't work])
+ AC_MSG_CHECKING([pthreads: trying to add -pthread])
+ ac_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -pthread"
+ AC_TRY_LINK([
+ #include <pthread.h>
+ ],
+ [pthread_exit(0);],
+ eval "ac_cv_flag_pthread=yes",
+ AC_MSG_ERROR([Can't figure out pthreads])
+ )
+ CFLAGS="$ac_save_CFLAGS"
+ ])
+ ])
+
+ if test "$ac_cv_flag_pthread" = "no"; then
+ AC_MSG_RESULT([good, -pthread flag not necessary])
+ else
+ AC_MSG_RESULT([adding -pthread flag])
+ MULTITHREAD_CFLAGS="-pthread"
+ fi
+
+ AC_MSG_CHECKING([for libpthread])
+ AC_CACHE_VAL(ac_cv_lib_pthread,[
+ ac_save_LIBS="$LIBS"
+ LIBS="-lpthread"
+ AC_TRY_LINK([
+ #include <pthread.h>
+ ],
+ [pthread_exit(0);],
+ eval "ac_cv_lib_pthread=-lphtread",
+ eval "ac_cv_lib_pthread=no"
+ )
+ LIBS="$ac_save_LIBS"
+ ])
+ if test "$ac_cv_lib_pthread" = "no"; then
+ AC_MSG_RESULT([no -lpthread necessary])
+ else
+ AC_MSG_RESULT([adding -lpthread to LIBS])
+ MULTITHREAD_LDFLAGS="-lpthread"
+ fi
+])
+
+AC_ARG_ENABLE(pthread,[ --disable-pthread disable multithread support],
+[],[enable_pthread=yes])
+
+if test $enable_pthread != no; then
+ AC_CHECK_PTHREAD
+fi
+
+AM_CONDITIONAL(BUILD_MULTITHREAD,[test $enable_pthread != no])
+
projects / rrdtool.git / blobdiff