2010-03-16 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / libgfortran / configure.ac

diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index b1e5d1e..104f2c1 100644 (file)
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script, like so:
 # aclocal && autoconf && autoheader && automake
 
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
 AC_INIT([GNU Fortran Runtime Library], 0.3,,[libgfortran])
 AC_CONFIG_HEADER(config.h)
 GCC_TOPLEV_SUBDIRS
@@ -119,7 +119,7 @@ AC_SUBST(toolexeclibdir)
 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
 m4_define([_AC_ARG_VAR_PRECIOUS],[])
 AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
 
 # Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC.
 if test "x$GCC" = "xyes"; then
@@ -409,6 +409,26 @@ AC_CHECK_LIB([m],[lgamma],[AC_DEFINE([HAVE_LGAMMA],[1],[libm includes lgamma])])
 AC_CHECK_LIB([m],[lgammaf],[AC_DEFINE([HAVE_LGAMMAF],[1],[libm includes lgammaf])])
 AC_CHECK_LIB([m],[lgammal],[AC_DEFINE([HAVE_LGAMMAL],[1],[libm includes lgammal])])
 
+# Check for GFORTRAN_C99_1.1 funcs
+AC_CHECK_LIB([m],[cacos],[AC_DEFINE([HAVE_CACOS],[1],[libm includes cacos])])
+AC_CHECK_LIB([m],[cacosf],[AC_DEFINE([HAVE_CACOSF],[1],[libm includes cacosf])])
+AC_CHECK_LIB([m],[cacosh],[AC_DEFINE([HAVE_CACOSH],[1],[libm includes cacosh])])
+AC_CHECK_LIB([m],[cacoshf],[AC_DEFINE([HAVE_CACOSHF],[1],[libm includes cacoshf])])
+AC_CHECK_LIB([m],[cacoshl],[AC_DEFINE([HAVE_CACOSHL],[1],[libm includes cacoshl])])
+AC_CHECK_LIB([m],[cacosl],[AC_DEFINE([HAVE_CACOSL],[1],[libm includes cacosl])])
+AC_CHECK_LIB([m],[casin],[AC_DEFINE([HAVE_CASIN],[1],[libm includes casin])])
+AC_CHECK_LIB([m],[casinf],[AC_DEFINE([HAVE_CASINF],[1],[libm includes casinf])])
+AC_CHECK_LIB([m],[casinh],[AC_DEFINE([HAVE_CASINH],[1],[libm includes casinh])])
+AC_CHECK_LIB([m],[casinhf],[AC_DEFINE([HAVE_CASINHF],[1],[libm includes casinhf])])
+AC_CHECK_LIB([m],[casinhl],[AC_DEFINE([HAVE_CASINHL],[1],[libm includes casinhl])])
+AC_CHECK_LIB([m],[casinl],[AC_DEFINE([HAVE_CASINL],[1],[libm includes casinl])])
+AC_CHECK_LIB([m],[catan],[AC_DEFINE([HAVE_CATAN],[1],[libm includes catan])])
+AC_CHECK_LIB([m],[catanf],[AC_DEFINE([HAVE_CATANF],[1],[libm includes catanf])])
+AC_CHECK_LIB([m],[catanh],[AC_DEFINE([HAVE_CATANH],[1],[libm includes catanh])])
+AC_CHECK_LIB([m],[catanhf],[AC_DEFINE([HAVE_CATANHF],[1],[libm includes catanhf])])
+AC_CHECK_LIB([m],[catanhl],[AC_DEFINE([HAVE_CATANHL],[1],[libm includes catanhl])])
+AC_CHECK_LIB([m],[catanl],[AC_DEFINE([HAVE_CATANL],[1],[libm includes catanl])])
+
 # On AIX, clog is present in libm as __clog
 AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
 
@@ -448,6 +468,10 @@ AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h])
 FPU_HOST_HEADER=config/${fpu_host}.h
 AC_SUBST(FPU_HOST_HEADER)
 
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS="${ieee_flags}"
+AC_SUBST(IEEE_FLAGS)
+
 # Check out attribute support.
 LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
 LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT