* gcc.dg/const-elim-1.c: Remove xfail for xtensa-*-*.

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

diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index 4a90ed1..4a24885 100644 (file)
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -68,8 +68,6 @@ else
   LIBGFOR_IS_NATIVE=true
 fi
 
-TL_AC_GCC_VERSION([$srcdir/..])
-
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -78,7 +76,7 @@ case ${version_specific_libs} in
     # and header files if --enable-version-specific-runtime-libs option
     # is selected.
     toolexecdir='$(libdir)/gcc/$(target_alias)'
-    toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
+    toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
     ;;
   no)
     if test -n "$with_cross_host" &&
@@ -140,15 +138,24 @@ FC="$GFORTRAN"
 AC_PROG_FC(gfortran)
 FCFLAGS="$FCFLAGS -Wall -fno-repack-arrays -fno-underscoring"
 
+# extra LD Flags which are required for targets
+case "${host}" in
+  *-darwin*)
+    # Darwin needs -single_module when linking libgfortran
+    extra_ldflags_libgfortran=-Wl,-single_module
+    ;;
+esac
+AC_SUBST(extra_ldflags_libgfortran)
+
 AC_SYS_LARGEFILE
 AC_FUNC_MMAP
 AC_TYPE_OFF_T
 
 # check header files
 AC_STDC_HEADERS
-AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h)
+AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h signal.h)
 AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h)
-AC_CHECK_HEADERS(sys/mman.h sys/types.h sys/stat.h)
+AC_CHECK_HEADERS(sys/mman.h sys/types.h sys/stat.h ieeefp.h)
 AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
 
 AC_CHECK_MEMBERS([struct stat.st_blksize])
@@ -159,7 +166,9 @@ AC_CHECK_MEMBERS([struct stat.st_rdev])
 AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"])
 
 # Check for library functions.
-AC_CHECK_FUNCS(getrusage times mkstemp strtof snprintf)
+AC_CHECK_FUNCS(getrusage times mkstemp strtof snprintf ftruncate chsize)
+AC_CHECK_FUNCS(chdir strerror getlogin gethostname kill link symlink perror)
+AC_CHECK_FUNCS(sleep time)
 
 # Check libc for getgid, getpid, getuid
 AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])])
@@ -177,6 +186,7 @@ AC_CHECK_LIB([m],[copysignf],[AC_DEFINE([HAVE_COPYSIGNF],[1],[libm includes copy
 AC_CHECK_LIB([m],[cosf],[AC_DEFINE([HAVE_COSF],[1],[libm includes cosf])])
 AC_CHECK_LIB([m],[coshf],[AC_DEFINE([HAVE_COSHF],[1],[libm includes coshf])])
 AC_CHECK_LIB([m],[expf],[AC_DEFINE([HAVE_EXPF],[1],[libm includes expf])])
+AC_CHECK_LIB([m],[fabsf],[AC_DEFINE([HAVE_FABSF],[1],[libm includes fabsf])])
 AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])])
 AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])])
 AC_CHECK_LIB([m],[hypotf],[AC_DEFINE([HAVE_HYPOTF],[1],[libm includes hypotf])])
@@ -233,6 +243,11 @@ LIBGFOR_GETTIMEOFDAY
 # 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
+
 AC_CACHE_SAVE
 
 if test ${multilib} = yes; then