X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=bbed6da35c940ded82375f051af5c9e6242e4e18;hb=5ef54f1d335624d9a30306a3105b84fe21255fa1;hp=9c9fe258818ef1f9d539b35125f180d0672c1c64;hpb=07a13ae6af039060f346a651ef3f97ad8f183459;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index 9c9fe25..bbed6da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,7 +167,7 @@ else
 	SO_EXT=`$PERL -e 'use Config; if (defined $Config{so} and $Config{so} ne 'a') {print "$Config{so}\n"} else {print "so\n"};'`
 	AC_MSG_RESULT($SO_EXT)
         AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
-        PROBLEMCC=`$PERL -e 'use Config; map {if (-x "$_/$Config{cc}"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'`
+        PROBLEMCC=`$PERL -e 'use Config; ($cc = $Config{cc}) =~ s/\s.*//; exit 0 if -x $cc; map {if (-x "$_/$cc"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'`
         if test x$PROBLEMCC != x; then
                 AC_MSG_RESULT(no)
                 echo Could not find the Compiler: '"'$PROBLEMCC'"'
@@ -248,7 +248,7 @@ AC_PATH_PROGS(TROFF, groff troff)
 dnl Does the compiler like -Wall and -pedantic?
 if test "x$GCC" = "xyes"; then
   oCFLAGS=$CFLAGS
-  CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline"
+  CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
   AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
                 [AC_TRY_COMPILE( , return 0 ,
                     rd_cv_gcc_opt=yes,
@@ -261,7 +261,7 @@ if test "x$GCC" = "xyes"; then
 fi
 
 dnl add pic flag in any case this makes sure all our code is relocatable
-CFLAGS="$CFLAGS "`grep pic_flag= libtool | sed -e 's/.*pic_flag=//' -e 's/"//g'`
+CFLAGS="$CFLAGS "`grep pic_flag= libtool | head -1|sed -e 's/.*pic_flag=//' -e 's/"//g'`
 
 ZLIB_CFLAGS=$CFLAGS
 dnl it seems that hpux chockes on -fPIC for some reason
@@ -279,7 +279,7 @@ AC_FUNC_VPRINTF
 dnl for each function found we get a definition in config.h 
 dnl of the form HAVE_FUNCTION
 
-AC_CHECK_FUNCS(tzset setlocale strerror snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
+AC_CHECK_FUNCS(tzset opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
 
 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro
 AC_CHECK_FUNCS(fpclassify, ,
@@ -416,22 +416,24 @@ AC_IEEE([out of the box], works, , , ,
        AC_IEEE([with the -mieee switch], mswitch, , , ,
          [CFLAGS="$_cflags -q float=rndsngl"
          AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
-           [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
-           AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
-             [CFLAGS=$_cflags
-             AC_IEEE([with fpsetmask(0)], mask,
-               [#include <floatingpoint.h>], [fpsetmask(0)],
-               [AC_DEFINE(MUST_DISABLE_FPMASK)
-	       PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
-               [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
-                 [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
-                 [AC_DEFINE(MUST_DISABLE_SIGFPE)
-                 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],		
-                 AC_MSG_ERROR([
+           [CFLAGS="$_cflags -OPT:IEEE_NaN_inf=ON"
+           AC_IEEE([with the -OPT:IEEE_NaN_inf=ON switch], ieeenaninfswitch, , , ,
+             [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
+             AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
+               [CFLAGS=$_cflags
+               AC_IEEE([with fpsetmask(0)], mask,
+                 [#include <floatingpoint.h>], [fpsetmask(0)],
+                 [AC_DEFINE(MUST_DISABLE_FPMASK)
+	         PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
+                 [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
+                   [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
+                   [AC_DEFINE(MUST_DISABLE_SIGFPE)
+                   PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],		
+                   AC_MSG_ERROR([
 Your Compiler does not do propper IEEE math ... Please find out how to
 make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
 Check config.log to see what went wrong ...
-]))])])])])])])])])
+]))])])])])])])])])])
 
 
 AC_CONFIG_FILES([examples/shared-demo.pl			\