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diff -r -U2 asymptote-1.47.orig/configure.ac asymptote-1.47/configure.ac
--- asymptote-1.47.orig/configure.ac 2008-10-23 14:06:31.000000000 +0700
+++ asymptote-1.47/configure.ac 2008-11-02 03:57:58.000000000 +0600
@@ -77,8 +77,14 @@
fi
-AC_CHECK_HEADER(fftw3.h,
- AC_CHECK_LIB([fftw3], fftw_execute,,
+AC_ARG_WITH([fftw],
+ [ --with-fftw use fftw3],
+ [with_fftw=$withval],
+ [with_fftw="no"])
+if test "$with_fftw" = "yes"; then
+AC_CHECK_HEADER([fftw3.h],
+ AC_CHECK_LIB([fftw3], [fftw_execute],,
AC_MSG_NOTICE([*** Could not find libfftw3: will compile without optional fast Fourier transforms. ***])),
AC_MSG_NOTICE([*** Header file fftw3.h not found: will compile without optional fast Fourier transforms. ***]))
+fi
GCVERSION=gc-7.1
@@ -117,5 +123,5 @@
CPPFLAGS_SAVE=$CPPFLAGS
CPPFLAGS=$CPPFLAGS" $INCL"
- AC_CHECK_HEADER(gc.h,
+ AC_CHECK_HEADER([gc/gc.h],
AC_CHECK_LIB([gc],[GC_malloc],[
LIBS=$LIBS"-lgc "
@@ -183,5 +189,14 @@
AC_CHECK_LIB([m], [sqrt])
AC_CHECK_LIB([z], [deflate])
-AC_CHECK_LIB([sigsegv], [stackoverflow_install_handler])
+
+AC_ARG_WITH(sigsegv,
+ [ --with-sigsegv use libsigsegv],
+ [with_sigsegv=$withval],
+ [with_sigsegv="no"])
+if test "$with_sigsegv" = "yes"; then
+AC_CHECK_HEADER([sigsegv.h],
+ AC_CHECK_LIB([sigsegv], [stackoverflow_install_handler]),
+ AC_MSG_NOTICE([*** Header file sigsegv.h not found ***]))
+fi
AC_CHECK_LIB([readline], [rl_completion_matches],,
@@ -200,9 +215,15 @@
AC_MSG_WARN([*** Broken rpc headers; XDR support disabled ***]))
-AC_CHECK_HEADER(gsl/gsl_sf.h,
+AC_ARG_WITH(gsl,
+ [ --with-gsl use gsl libraries],
+ [with_gsl=$withval],
+ [with_gsl="no"])
+if test "$with_gsl" = "yes"; then
+AC_CHECK_HEADER([gsl/gsl_sf.h],
AC_CHECK_LIB([gsl], gsl_sf_Si, [AC_DEFINE(HAVE_LIBGSL, 1,
[Define to 1 if you have the 'gsl' library (-lgsl). ]) LIBS=$LIBS"-lgsl -lgslcblas "],
AC_MSG_NOTICE([*** Could not find libgsl: will compile without optional special functions. ***]),[-lgslcblas]),
AC_MSG_NOTICE([*** Header file gsl_sf.h not found: will compile without optional special functions. ***]))
+fi
case "$MACHTYPE" in
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