89 lines
2.2 KiB
Plaintext
89 lines
2.2 KiB
Plaintext
dnl configure.in for libgfor
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dnl Copyright Free Software Foundation
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dnl Released under the LGPL
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dnl The rest of gcc uses autoconf 2.13, but we really need more, hence:
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AC_PREREQ(2.54)
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AC_INIT([GNU Fortran Runtime Library], 0.2,,[libgfortran])
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AM_INIT_AUTOMAKE()
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AM_CONFIG_HEADER(config.h)
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AM_MAINTAINER_MODE
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AC_SUBST(enable_shared)
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AC_SUBST(enable_static)
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# check for compiler
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AC_PROG_CC
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dnl Add -Wall if using gcc
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if test "x$GCC" = "xyes"; then
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CFLAGS="$CFLAGS -Wall"
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fi
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# We need gfortran to compile parts of the library
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# We can't use AC_PROG_F77 because it expects a fully working gfortran.
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#AC_PROG_F77(gfortran)
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F77="$GFORTRAN"
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AC_PROG_F77(gfortran)
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FFLAGS="$FFLAGS -Wall -fno-repack-arrays -fno-underscoring"
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AC_FUNC_MMAP
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AC_TYPE_OFF_T
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# Check for install
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AC_PROG_INSTALL
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# check header files
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AC_STDC_HEADERS
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AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h)
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AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h)
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AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
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# Check for complex math functions
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AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"])
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# Check for complex math functions in -lmx also
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AC_CHECK_LIB([mx],[csin],[need_math="no"],[need_math="yes"])
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dnl Checks for library functions.
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AC_CHECK_FUNCS(getrusage times)
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# Let the user override this
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AC_ARG_ENABLE(cmath,
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AC_HELP_STRING([--enable-cmath],[Include complex math functions]),
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[need_math=$enableval])
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if test "$need_math" = "yes"; then
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AC_MSG_NOTICE([Including complex math functions in libgfor]);
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extra_math_obj='$(gfor_cmath_obj)'
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fi
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AC_SUBST([MATH_OBJ],["$extra_math_obj"])
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dnl The standard autoconf HAVE_STRUCT_TIMEZONE doesn't actually check
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dnl for struct timezone, as you might think. We also need to check how
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dnl to call gettimeofday if we have it.
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LIBGFOR_GETTIMEOFDAY
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dnl These should be inherited in the recursive make, but ensure they are
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dnl defined:
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test "$AR" || AR=ar
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AC_SUBST(AR)
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if test "$RANLIB"; then :
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AC_SUBST(RANLIB)
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else
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AC_PROG_RANLIB
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fi
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dnl Don't pull is system libtool.m4, it conflicts with the gcc version.
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dnl if test "$LIBTOOL"; then :
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dnl AC_SUBST(LIBTOOL)
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dnl else
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dnl AC_PROG_LIBTOOL
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dnl fi
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AM_PROG_LIBTOOL
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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AC_OUTPUT(Makefile)
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