X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=94ec225383bba79a3014a8803f9826cecc47ba2f;hb=36757af2243ffa0176b4896c77e0aa28c35cb0e7;hp=fca2c34c6167a61e7c54ba9b3aae29d7955a8951;hpb=e5e436c69a2dcf3d5fa3b87cf5716d52dab99bc3;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index fca2c34..94ec225 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,13 +8,13 @@ dnl Inspiration from http://autoconf-archive.cryp.to
 dnl tell automake the this script is for rrdtool
 dnl the official version number is
 dnl a.b.c
-AC_INIT([rrdtool],[1.2.12])
+AC_INIT([rrdtool],[1.2.13])
 dnl for testing a numberical version number comes handy
 dnl the released version are
 dnl a.bccc
 dnl the devl versions will be something like
 dnl a.b999yymmddhh 
-NUMVERS=1.2012
+NUMVERS=1.2013
 AC_SUBST(NUMVERS)
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
@@ -189,6 +189,21 @@ AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_LIBTOOL
 
+dnl which flags does the compile support?
+if test "$GCC" = "yes"; then
+  for flag in -fno-strict-aliasing -Wall -std=gnu99 -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W; do
+    oCFLAGS=$CFLAGS
+    CFLAGS="$CFLAGS $flag"
+    cachename=rd_cv_gcc_flag_`echo $flag|sed 's/[[^A-Za-z]]/_/g'`
+    AC_CACHE_CHECK([if gcc likes the $flag flag], $cachename,
+       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[eval $cachename=yes],[eval $cachename=no])])
+    if eval test \$$cachename = no; then
+         CFLAGS=$oCFLAGS
+    fi
+  done
+fi
+
+
 
 AC_SUBST(RRD_DEFAULT_FONT)
 
@@ -363,9 +378,9 @@ CONFIGURE_PART(Findr 3rd-Party Libraries)
 AM_CONDITIONAL(BUILD_RRDCGI,[test $enable_rrdcgi != no])
 
 EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point,       libart_lgpl/libart.h,   libart-2.0,  2.3.17, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/, /usr/include/libart-2.0)
-EX_CHECK_ALL(z,          zlibVersion,               zlib.h,                 zlib,        1.2.2,  http://www.gzip.org/zlib/, "")
-EX_CHECK_ALL(png,        png_access_version_number, png.h,                  libpng,      1.2.8,  http://prdownloads.sourceforge.net/libpng/, "")
-EX_CHECK_ALL(freetype,   FT_Init_FreeType,          ft2build.h,		    freetype2,   2.1.9,  http://prdownloads.sourceforge.net/freetype/, /usr/include/freetype2)
+EX_CHECK_ALL(z,          zlibVersion,               zlib.h,                 zlib,        1.2.3,  http://www.gzip.org/zlib/, "")
+EX_CHECK_ALL(png,        png_access_version_number, png.h,                  libpng,      1.2.10,  http://prdownloads.sourceforge.net/libpng/, "")
+EX_CHECK_ALL(freetype,   FT_Init_FreeType,          ft2build.h,		    freetype2,   2.1.10,  http://prdownloads.sourceforge.net/freetype/, /usr/include/freetype2)
 
 if test "$EX_CHECK_ALL_ERR" = "YES"; then
   AC_MSG_ERROR([Please fix the library issues listed above and try again.])
@@ -527,19 +542,6 @@ AC_ARG_VAR(RRDDOCDIR, [[DATADIR/doc/PACKAGE-VERSION] Documentation directory])
 if test -z "$RRDDOCDIR"; then
    RRDDOCDIR='${datadir}/doc/${PACKAGE}-${VERSION}'; fi
 
-dnl Does the compiler like -Wall and -pedantic?
-if test "$GCC" = "yes"; then
-  oCFLAGS=$CFLAGS
-  CFLAGS="$CFLAGS -fno-strict-aliasing -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
-  AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
-                [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[rd_cv_gcc_opt=yes],[rd_cv_gcc_opt=no ])
-               ]
-        )
-  if test $rd_cv_gcc_opt = no; then
-         CFLAGS=$oCFLAGS
-  fi
-fi
-
 
 CONFIGURE_PART(Apply Configuration Information)