configure.ac

gcc-fortran,linux使用fortran的编译软件。很好用的。

AC_CHECK_LIB([m],[cargf],[AC_DEFINE([HAVE_CARGF],[1],[libm includes cargf])])
AC_CHECK_LIB([m],[carg],[AC_DEFINE([HAVE_CARG],[1],[libm includes carg])])
AC_CHECK_LIB([m],[cargl],[AC_DEFINE([HAVE_CARGL],[1],[libm includes cargl])])
AC_CHECK_LIB([m],[ceilf],[AC_DEFINE([HAVE_CEILF],[1],[libm includes ceilf])])
AC_CHECK_LIB([m],[ceil],[AC_DEFINE([HAVE_CEIL],[1],[libm includes ceil])])
AC_CHECK_LIB([m],[ceill],[AC_DEFINE([HAVE_CEILL],[1],[libm includes ceill])])
AC_CHECK_LIB([m],[copysignf],[AC_DEFINE([HAVE_COPYSIGNF],[1],[libm includes copysignf])])
AC_CHECK_LIB([m],[copysign],[AC_DEFINE([HAVE_COPYSIGN],[1],[libm includes copysign])])
AC_CHECK_LIB([m],[copysignl],[AC_DEFINE([HAVE_COPYSIGNL],[1],[libm includes copysignl])])
AC_CHECK_LIB([m],[cosf],[AC_DEFINE([HAVE_COSF],[1],[libm includes cosf])])
AC_CHECK_LIB([m],[cos],[AC_DEFINE([HAVE_COS],[1],[libm includes cos])])
AC_CHECK_LIB([m],[cosl],[AC_DEFINE([HAVE_COSL],[1],[libm includes cosl])])
AC_CHECK_LIB([m],[ccosf],[AC_DEFINE([HAVE_CCOSF],[1],[libm includes ccosf])])
AC_CHECK_LIB([m],[ccos],[AC_DEFINE([HAVE_CCOS],[1],[libm includes ccos])])
AC_CHECK_LIB([m],[ccosl],[AC_DEFINE([HAVE_CCOSL],[1],[libm includes ccosl])])
AC_CHECK_LIB([m],[coshf],[AC_DEFINE([HAVE_COSHF],[1],[libm includes coshf])])
AC_CHECK_LIB([m],[cosh],[AC_DEFINE([HAVE_COSH],[1],[libm includes cosh])])
AC_CHECK_LIB([m],[coshl],[AC_DEFINE([HAVE_COSHL],[1],[libm includes coshl])])
AC_CHECK_LIB([m],[ccoshf],[AC_DEFINE([HAVE_CCOSHF],[1],[libm includes ccoshf])])
AC_CHECK_LIB([m],[ccosh],[AC_DEFINE([HAVE_CCOSH],[1],[libm includes ccosh])])
AC_CHECK_LIB([m],[ccoshl],[AC_DEFINE([HAVE_CCOSHL],[1],[libm includes ccoshl])])
AC_CHECK_LIB([m],[expf],[AC_DEFINE([HAVE_EXPF],[1],[libm includes expf])])
AC_CHECK_LIB([m],[exp],[AC_DEFINE([HAVE_EXP],[1],[libm includes exp])])
AC_CHECK_LIB([m],[expl],[AC_DEFINE([HAVE_EXPL],[1],[libm includes expl])])
AC_CHECK_LIB([m],[cexpf],[AC_DEFINE([HAVE_CEXPF],[1],[libm includes cexpf])])
AC_CHECK_LIB([m],[cexp],[AC_DEFINE([HAVE_CEXP],[1],[libm includes cexp])])
AC_CHECK_LIB([m],[cexpl],[AC_DEFINE([HAVE_CEXPL],[1],[libm includes cexpl])])
AC_CHECK_LIB([m],[fabsf],[AC_DEFINE([HAVE_FABSF],[1],[libm includes fabsf])])
AC_CHECK_LIB([m],[fabs],[AC_DEFINE([HAVE_FABS],[1],[libm includes fabs])])
AC_CHECK_LIB([m],[fabsl],[AC_DEFINE([HAVE_FABSL],[1],[libm includes fabsl])])
AC_CHECK_LIB([m],[cabsf],[AC_DEFINE([HAVE_CABSF],[1],[libm includes cabsf])])
AC_CHECK_LIB([m],[cabs],[AC_DEFINE([HAVE_CABS],[1],[libm includes cabs])])
AC_CHECK_LIB([m],[cabsl],[AC_DEFINE([HAVE_CABSL],[1],[libm includes cabsl])])
AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])])
AC_CHECK_LIB([m],[floor],[AC_DEFINE([HAVE_FLOOR],[1],[libm includes floor])])
AC_CHECK_LIB([m],[floorl],[AC_DEFINE([HAVE_FLOORL],[1],[libm includes floorl])])
AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])])
AC_CHECK_LIB([m],[frexp],[AC_DEFINE([HAVE_FREXP],[1],[libm includes frexp])])
AC_CHECK_LIB([m],[frexpl],[AC_DEFINE([HAVE_FREXPL],[1],[libm includes frexpl])])
AC_CHECK_LIB([m],[hypotf],[AC_DEFINE([HAVE_HYPOTF],[1],[libm includes hypotf])])
AC_CHECK_LIB([m],[hypot],[AC_DEFINE([HAVE_HYPOT],[1],[libm includes hypot])])
AC_CHECK_LIB([m],[hypotl],[AC_DEFINE([HAVE_HYPOTL],[1],[libm includes hypotl])])
AC_CHECK_LIB([m],[logf],[AC_DEFINE([HAVE_LOGF],[1],[libm includes logf])])
AC_CHECK_LIB([m],[log],[AC_DEFINE([HAVE_LOG],[1],[libm includes log])])
AC_CHECK_LIB([m],[logl],[AC_DEFINE([HAVE_LOGL],[1],[libm includes logl])])
AC_CHECK_LIB([m],[clogf],[AC_DEFINE([HAVE_CLOGF],[1],[libm includes clogf])])
AC_CHECK_LIB([m],[clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
AC_CHECK_LIB([m],[clogl],[AC_DEFINE([HAVE_CLOGL],[1],[libm includes clogl])])
AC_CHECK_LIB([m],[log10f],[AC_DEFINE([HAVE_LOG10F],[1],[libm includes log10f])])
AC_CHECK_LIB([m],[log10],[AC_DEFINE([HAVE_LOG10],[1],[libm includes log10])])
AC_CHECK_LIB([m],[log10l],[AC_DEFINE([HAVE_LOG10L],[1],[libm includes log10l])])
AC_CHECK_LIB([m],[clog10f],[AC_DEFINE([HAVE_CLOG10F],[1],[libm includes clog10f])])
AC_CHECK_LIB([m],[clog10],[AC_DEFINE([HAVE_CLOG10],[1],[libm includes clog10])])
AC_CHECK_LIB([m],[clog10l],[AC_DEFINE([HAVE_CLOG10L],[1],[libm includes clog10l])])
AC_CHECK_LIB([m],[nextafterf],[AC_DEFINE([HAVE_NEXTAFTERF],[1],[libm includes nextafterf])])
AC_CHECK_LIB([m],[nextafter],[AC_DEFINE([HAVE_NEXTAFTER],[1],[libm includes nextafter])])
AC_CHECK_LIB([m],[nextafterl],[AC_DEFINE([HAVE_NEXTAFTERL],[1],[libm includes nextafterl])])
AC_CHECK_LIB([m],[powf],[AC_DEFINE([HAVE_POWF],[1],[libm includes powf])])
AC_CHECK_LIB([m],[pow],[AC_DEFINE([HAVE_POW],[1],[libm includes pow])])
AC_CHECK_LIB([m],[powl],[AC_DEFINE([HAVE_POWL],[1],[libm includes powl])])
AC_CHECK_LIB([m],[cpowf],[AC_DEFINE([HAVE_CPOWF],[1],[libm includes cpowf])])
AC_CHECK_LIB([m],[cpow],[AC_DEFINE([HAVE_CPOW],[1],[libm includes cpow])])
AC_CHECK_LIB([m],[cpowl],[AC_DEFINE([HAVE_CPOWL],[1],[libm includes cpowl])])
AC_CHECK_LIB([m],[roundf],[AC_DEFINE([HAVE_ROUNDF],[1],[libm includes roundf])])
AC_CHECK_LIB([m],[round],[AC_DEFINE([HAVE_ROUND],[1],[libm includes round])])
AC_CHECK_LIB([m],[roundl],[AC_DEFINE([HAVE_ROUNDL],[1],[libm includes roundl])])
AC_CHECK_LIB([m],[scalbnf],[AC_DEFINE([HAVE_SCALBNF],[1],[libm includes scalbnf])])
AC_CHECK_LIB([m],[scalbn],[AC_DEFINE([HAVE_SCALBN],[1],[libm includes scalbn])])
AC_CHECK_LIB([m],[scalbnl],[AC_DEFINE([HAVE_SCALBNL],[1],[libm includes scalbnl])])
AC_CHECK_LIB([m],[sinf],[AC_DEFINE([HAVE_SINF],[1],[libm includes sinf])])
AC_CHECK_LIB([m],[sin],[AC_DEFINE([HAVE_SIN],[1],[libm includes sin])])
AC_CHECK_LIB([m],[sinl],[AC_DEFINE([HAVE_SINL],[1],[libm includes sinl])])
AC_CHECK_LIB([m],[csinf],[AC_DEFINE([HAVE_CSINF],[1],[libm includes csinf])])
AC_CHECK_LIB([m],[csin],[AC_DEFINE([HAVE_CSIN],[1],[libm includes csin])])
AC_CHECK_LIB([m],[csinl],[AC_DEFINE([HAVE_CSINL],[1],[libm includes csinl])])
AC_CHECK_LIB([m],[sinhf],[AC_DEFINE([HAVE_SINHF],[1],[libm includes sinhf])])
AC_CHECK_LIB([m],[sinh],[AC_DEFINE([HAVE_SINH],[1],[libm includes sinh])])
AC_CHECK_LIB([m],[sinhl],[AC_DEFINE([HAVE_SINHL],[1],[libm includes sinhl])])
AC_CHECK_LIB([m],[csinhf],[AC_DEFINE([HAVE_CSINHF],[1],[libm includes csinhf])])
AC_CHECK_LIB([m],[csinh],[AC_DEFINE([HAVE_CSINH],[1],[libm includes csinh])])
AC_CHECK_LIB([m],[csinhl],[AC_DEFINE([HAVE_CSINHL],[1],[libm includes csinhl])])
AC_CHECK_LIB([m],[sqrtf],[AC_DEFINE([HAVE_SQRTF],[1],[libm includes sqrtf])])
AC_CHECK_LIB([m],[sqrt],[AC_DEFINE([HAVE_SQRT],[1],[libm includes sqrt])])
AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])])
AC_CHECK_LIB([m],[csqrtf],[AC_DEFINE([HAVE_CSQRTF],[1],[libm includes csqrtf])])
AC_CHECK_LIB([m],[csqrt],[AC_DEFINE([HAVE_CSQRT],[1],[libm includes csqrt])])
AC_CHECK_LIB([m],[csqrtl],[AC_DEFINE([HAVE_CSQRTL],[1],[libm includes csqrtl])])
AC_CHECK_LIB([m],[tanf],[AC_DEFINE([HAVE_TANF],[1],[libm includes tanf])])
AC_CHECK_LIB([m],[tan],[AC_DEFINE([HAVE_TAN],[1],[libm includes tan])])
AC_CHECK_LIB([m],[tanl],[AC_DEFINE([HAVE_TANL],[1],[libm includes tanl])])
AC_CHECK_LIB([m],[ctanf],[AC_DEFINE([HAVE_CTANF],[1],[libm includes ctanf])])
AC_CHECK_LIB([m],[ctan],[AC_DEFINE([HAVE_CTAN],[1],[libm includes ctan])])
AC_CHECK_LIB([m],[ctanl],[AC_DEFINE([HAVE_CTANL],[1],[libm includes ctanl])])
AC_CHECK_LIB([m],[tanhf],[AC_DEFINE([HAVE_TANHF],[1],[libm includes tanhf])])
AC_CHECK_LIB([m],[tanh],[AC_DEFINE([HAVE_TANH],[1],[libm includes tanh])])
AC_CHECK_LIB([m],[tanhl],[AC_DEFINE([HAVE_TANHL],[1],[libm includes tanhl])])
AC_CHECK_LIB([m],[ctanhf],[AC_DEFINE([HAVE_CTANHF],[1],[libm includes ctanhf])])
AC_CHECK_LIB([m],[ctanh],[AC_DEFINE([HAVE_CTANH],[1],[libm includes ctanh])])
AC_CHECK_LIB([m],[ctanhl],[AC_DEFINE([HAVE_CTANHL],[1],[libm includes ctanhl])])
AC_CHECK_LIB([m],[truncf],[AC_DEFINE([HAVE_TRUNCF],[1],[libm includes truncf])])
AC_CHECK_LIB([m],[trunc],[AC_DEFINE([HAVE_TRUNC],[1],[libm includes trunc])])
AC_CHECK_LIB([m],[truncl],[AC_DEFINE([HAVE_TRUNCL],[1],[libm includes truncl])])
AC_CHECK_LIB([m],[erff],[AC_DEFINE([HAVE_ERFF],[1],[libm includes erff])])
AC_CHECK_LIB([m],[erf],[AC_DEFINE([HAVE_ERF],[1],[libm includes erf])])
AC_CHECK_LIB([m],[erfl],[AC_DEFINE([HAVE_ERFL],[1],[libm includes erfl])])
AC_CHECK_LIB([m],[erfcf],[AC_DEFINE([HAVE_ERFCF],[1],[libm includes erfcf])])
AC_CHECK_LIB([m],[erfc],[AC_DEFINE([HAVE_ERFC],[1],[libm includes erfc])])
AC_CHECK_LIB([m],[erfcl],[AC_DEFINE([HAVE_ERFCL],[1],[libm includes erfcl])])
AC_CHECK_LIB([m],[j0f],[AC_DEFINE([HAVE_J0F],[1],[libm includes j0f])])
AC_CHECK_LIB([m],[j0],[AC_DEFINE([HAVE_J0],[1],[libm includes j0])])
AC_CHECK_LIB([m],[j0l],[AC_DEFINE([HAVE_J0L],[1],[libm includes j0l])])
AC_CHECK_LIB([m],[j1f],[AC_DEFINE([HAVE_J1F],[1],[libm includes j1f])])
AC_CHECK_LIB([m],[j1],[AC_DEFINE([HAVE_J1],[1],[libm includes j1])])
AC_CHECK_LIB([m],[j1l],[AC_DEFINE([HAVE_J1L],[1],[libm includes j1l])])
AC_CHECK_LIB([m],[jnf],[AC_DEFINE([HAVE_JNF],[1],[libm includes jnf])])
AC_CHECK_LIB([m],[jn],[AC_DEFINE([HAVE_JN],[1],[libm includes jn])])
AC_CHECK_LIB([m],[jnl],[AC_DEFINE([HAVE_JNL],[1],[libm includes jnl])])
AC_CHECK_LIB([m],[y0f],[AC_DEFINE([HAVE_Y0F],[1],[libm includes y0f])])
AC_CHECK_LIB([m],[y0],[AC_DEFINE([HAVE_Y0],[1],[libm includes y0])])
AC_CHECK_LIB([m],[y0l],[AC_DEFINE([HAVE_Y0L],[1],[libm includes y0l])])
AC_CHECK_LIB([m],[y1f],[AC_DEFINE([HAVE_Y1F],[1],[libm includes y1f])])
AC_CHECK_LIB([m],[y1],[AC_DEFINE([HAVE_Y1],[1],[libm includes y1])])
AC_CHECK_LIB([m],[y1l],[AC_DEFINE([HAVE_Y1L],[1],[libm includes y1l])])
AC_CHECK_LIB([m],[ynf],[AC_DEFINE([HAVE_YNF],[1],[libm includes ynf])])
AC_CHECK_LIB([m],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])])
AC_CHECK_LIB([m],[ynl],[AC_DEFINE([HAVE_YNL],[1],[libm includes ynl])])

# On AIX, clog is present in libm as __clog
AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])

# Check for a isfinite macro that works on long doubles.
LIBGFOR_CHECK_FOR_BROKEN_ISFINITE

# Check for a isnan macro that works on long doubles.
LIBGFOR_CHECK_FOR_BROKEN_ISNAN

# Check for a fpclassify macro that works on long doubles.
LIBGFOR_CHECK_FOR_BROKEN_FPCLASSIFY

# Check whether the system has a working stat()
LIBGFOR_CHECK_WORKING_STAT

# Fallback in case isfinite is not available.
AC_CHECK_LIB([m],[finite],[AC_DEFINE([HAVE_FINITE],[1],[libm includes finite])])

# Check for GNU libc feenableexcept
AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])])

# Check for SysV fpsetmask
LIBGFOR_CHECK_FPSETMASK

# Check for AIX fp_trap and fp_enable
AC_CHECK_FUNC([fp_trap],[have_fp_trap=yes AC_DEFINE([HAVE_FP_TRAP],[1],[fp_trap is present])])
AC_CHECK_FUNC([fp_enable],[have_fp_enable=yes AC_DEFINE([HAVE_FP_ENABLE],[1],[fp_enable is present])])

# Runs configure.host to set up necessary host-dependent shell variables.
# We then display a message about it, and propagate them through the
# build chain.
. ${srcdir}/configure.host
AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h])
FPU_HOST_HEADER=config/${fpu_host}.h
AC_SUBST(FPU_HOST_HEADER)

# The standard autoconf HAVE_STRUCT_TIMEZONE doesn't actually check
# for struct timezone, as you might think.  We also need to check how
# to call gettimeofday if we have it.
LIBGFOR_GETTIMEOFDAY

# Attempt to assert that the target is of common type in case we don't
# have C99 integer types at all.
LIBGFOR_TARGET_ILP32

# Check out attribute support.
LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT
LIBGFOR_CHECK_ATTRIBUTE_ALIAS

# Check out sync builtins support.
LIBGFOR_CHECK_SYNC_FETCH_AND_ADD

# Check out thread support.
LIBGFOR_CHECK_GTHR_DEFAULT

# Check out #pragma weak.
LIBGFOR_GTHREAD_WEAK

# Various other checks on target
LIBGFOR_CHECK_UNLINK_OPEN_FILE

# Check whether line terminator is LF or CRLF
LIBGFOR_CHECK_CRLF

AC_CACHE_SAVE

if test ${multilib} = yes; then
  multilib_arg="--enable-multilib"
else
  multilib_arg=
fi

# Write our Makefile.
AC_CONFIG_FILES(Makefile)
AC_OUTPUT