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Diffstat (limited to 'libgfortran/configure.in')
| -rw-r--r-- | libgfortran/configure.in | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libgfortran/configure.in b/libgfortran/configure.in new file mode 100644 index 00000000000..63e5cf8b5e4 --- /dev/null +++ b/libgfortran/configure.in @@ -0,0 +1,88 @@ +dnl configure.in for libgfor +dnl Copyright Free Software Foundation +dnl Released under the LGPL + +dnl The rest of gcc uses autoconf 2.13, but we really need more, hence: +AC_PREREQ(2.54) + +AC_INIT([GNU Fortran Runtime Library], 0.2,,[libgfortran]) +AM_INIT_AUTOMAKE() +AM_CONFIG_HEADER(config.h) +AM_MAINTAINER_MODE + +AC_SUBST(enable_shared) +AC_SUBST(enable_static) + +# check for compiler +AC_PROG_CC +dnl Add -Wall if using gcc +if test "x$GCC" = "xyes"; then + CFLAGS="$CFLAGS -Wall" +fi + +# We need gfortran to compile parts of the library +# We can't use AC_PROG_F77 because it expects a fully working gfortran. +#AC_PROG_F77(gfortran) +F77="$GFORTRAN" +AC_PROG_F77(gfortran) +FFLAGS="$FFLAGS -Wall -fno-repack-arrays -fno-underscoring" + +AC_FUNC_MMAP +AC_TYPE_OFF_T + +# Check for install +AC_PROG_INSTALL + +# check header files +AC_STDC_HEADERS +AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h) +AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h) +AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])]) +# Check for complex math functions +AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"]) + +# Check for complex math functions in -lmx also +AC_CHECK_LIB([mx],[csin],[need_math="no"],[need_math="yes"]) + +dnl Checks for library functions. +AC_CHECK_FUNCS(getrusage times) + +# Let the user override this +AC_ARG_ENABLE(cmath, + AC_HELP_STRING([--enable-cmath],[Include complex math functions]), + [need_math=$enableval]) +if test "$need_math" = "yes"; then + AC_MSG_NOTICE([Including complex math functions in libgfor]); + extra_math_obj='$(gfor_cmath_obj)' +fi + +AC_SUBST([MATH_OBJ],["$extra_math_obj"]) + +dnl The standard autoconf HAVE_STRUCT_TIMEZONE doesn't actually check +dnl for struct timezone, as you might think. We also need to check how +dnl to call gettimeofday if we have it. +LIBGFOR_GETTIMEOFDAY + +dnl These should be inherited in the recursive make, but ensure they are +dnl defined: +test "$AR" || AR=ar +AC_SUBST(AR) +if test "$RANLIB"; then : + AC_SUBST(RANLIB) +else + AC_PROG_RANLIB +fi + +dnl Don't pull is system libtool.m4, it conflicts with the gcc version. +dnl if test "$LIBTOOL"; then : +dnl AC_SUBST(LIBTOOL) +dnl else +dnl AC_PROG_LIBTOOL +dnl fi +AM_PROG_LIBTOOL + +AC_PROG_MAKE_SET +AC_PROG_INSTALL + +AC_OUTPUT(Makefile) + |