-_cflags=${CFLAGS}
-AC_IEEE([out of the box], works, , , ,
- [CFLAGS="$_cflags -ieee"
- AC_IEEE([with the -ieee switch], switch, , , ,
- [CFLAGS="$_cflags -qfloat=nofold"
- AC_IEEE([with the -qfloat=nofold switch], nofold, , , ,
- [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide"
- AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , ,
- [CFLAGS="$_cflags -mieee"
- AC_IEEE([with the -mieee switch], mswitch, , , ,
- [CFLAGS="$_cflags -q float=rndsngl"
- AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
- [CFLAGS="$_cflags -OPT:IEEE_NaN_inf=ON"
- AC_IEEE([with the -OPT:IEEE_NaN_inf=ON switch], ieeenaninfswitch, , , ,
- [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
- AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
- [CFLAGS=$_cflags
- AC_IEEE([with fpsetmask(0)], mask,
- [#include <floatingpoint.h>], [fpsetmask(0)],
- [AC_DEFINE(MUST_DISABLE_FPMASK)
- PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
- [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
- [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
- [AC_DEFINE(MUST_DISABLE_SIGFPE)
- PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
- AC_MSG_ERROR([
-Your Compiler does not do propper IEEE math ... Please find out how to
-make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
-Check config.log to see what went wrong ...
-]))])])])])])])])])])
-
-
-AC_CONFIG_FILES([examples/shared-demo.pl \
- examples/piped-demo.pl \
- examples/stripes.pl \
- examples/bigtops.pl \
- examples/minmax.pl \
- examples/cgi-demo.cgi \
- examples/Makefile \
- doc/Makefile \
- libraries/Makefile \
- libraries/cgilib-0.4/Makefile \
- libraries/libart_lgpl-2.3.7/Makefile \
- libraries/libpng-1.2.0/Makefile \
- libraries/zlib-1.1.4/Makefile \
- libraries/freetype-2.0.5/Makefile \
- libraries/afm/Makefile \
- src/Makefile \
- bindings/Makefile \
- bindings/tcl/Makefile \
- Makefile])
-AC_CONFIG_COMMANDS([default],[[\
- chmod +x examples/*.cgi examples/*.pl]],[[]])
+dnl Check for nroff
+AC_PATH_PROGS(NROFF, gnroff nroff)
+AC_PATH_PROGS(TROFF, groff troff)
+
+AC_ARG_VAR(RRDDOCDIR, [[DATADIR/doc/PACKAGE-VERSION] Documentation directory])
+if test -z "$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)
+
+AC_CONFIG_FILES([examples/shared-demo.pl])
+AC_CONFIG_FILES([examples/piped-demo.pl])
+AC_CONFIG_FILES([examples/stripes.pl])
+AC_CONFIG_FILES([examples/bigtops.pl])
+AC_CONFIG_FILES([examples/minmax.pl])
+AC_CONFIG_FILES([examples/cgi-demo.cgi])
+AC_CONFIG_FILES([examples/4charts.pl])
+AC_CONFIG_FILES([examples/Makefile])
+AC_CONFIG_FILES([doc/Makefile])
+AC_CONFIG_FILES([src/Makefile])
+AC_CONFIG_FILES([bindings/Makefile])
+AC_CONFIG_FILES([bindings/tcl/Makefile])
+AC_CONFIG_FILES([bindings/tcl/ifOctets.tcl])
+AC_CONFIG_FILES([bindings/python/Makefile])
+AC_CONFIG_FILES([Makefile])
+
+AC_CONFIG_COMMANDS([default],[[ chmod +x examples/*.cgi examples/*.pl]],[[]])