configure.ac

基于IASP91地球模型计算地震波到时的程序

dnl Process this file with autoconf to produce a configure script.

AC_INIT(configure.ac)
AM_INIT_AUTOMAKE(iasp, 91.0.7)
AM_CONFIG_HEADER(config.h)


dnl AC_LANG_FORTRAN77
AC_ISC_POSIX
AC_PROG_CC
dnl ------- Determine a Fortran 77 compiler to use. 
dnl ------- Set the output variable F77 to the name of the compiler found.
AC_PROG_F77
dnl ------- Determine the linker flags (e.g. -L and -l) for the Fortran 77 intrinsic and 
dnl ------- run-time libraries that are required to successfully link a Fortran 77 program 
dnl ------- or shared library. The output variable FLIBS is set to these flags.
AC_F77_LIBRARY_LDFLAGS

dnl ------- important -------------------------------------
dnl It seems the g77 -O2 optimization is not semantically
dnl equivalent to the "no optimization level. You can
dnl check that by comparing the tables iasp91.{hed,tbl}
dnl obtained with remodl;setbrn . These binaries built with 
dnl the -O2 or no optimization will not build the same
dnl tables.
dnl So, next line removes the -O2 optimization from FFLAGS.
dnl Wainting for a fix ...
dnl -------------------------------------------------------
CFLAGS=`echo $CFLAGS | sed -e 's/-O[[0-9]]//g'`
FFLAGS=`echo $FFLAGS | sed -e 's/-O[[0-9]]//g'`

AM_PROG_CC_STDC
AC_HEADER_STDC


AC_SUBST(FLIBS)
AC_SUBST(F_NO_US)

AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)

dnl Checks for library functions.
dnl Checks for Additional stuffs.

echo "----------------------------------------"
echo "Using ${CC} as C compiler"
echo "  with options ${CFLAGS}"
echo "----------------------------------------"
echo "Using ${F77} as Fortran compiler"
if test "$F77" = g77; then
   F_NO_US=-fno-underscoring
fi
dnl if test "${F77}" = "f77"; then
dnl    FFLAGS="$FFLAGS -noappend"
dnl fi
echo "  with options $FFLAGS $F_NO_US"
echo "  with Fortran libs $FLIBS"
echo "-----------------------------------------"

AC_OUTPUT([
iasp.spec
Makefile
src/Makefile
data/Makefile
])