* configure.ac: Do not invoke TL_AC_GCC_VERSION.

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

diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index f7a8b99..eb5e32a 100644 (file)
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -68,12 +68,6 @@ else
   LIBGFOR_IS_NATIVE=true
 fi
 
-# Process the option "--enable-version-specific-runtime-libs"
-gcc_version_trigger=${srcdir}/../gcc/version.c
-gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
-gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
-AC_SUBST(gcc_version)
-
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -82,7 +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" &&
@@ -138,11 +132,11 @@ AC_SUBST(enable_static)
 #AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10
 
 # 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"
+# We can't use AC_PROG_FC because it expects a fully working gfortran.
+#AC_PROG_FC(gfortran)
+FC="$GFORTRAN"
+AC_PROG_FC(gfortran)
+FCFLAGS="$FCFLAGS -Wall -fno-repack-arrays -fno-underscoring"
 
 AC_SYS_LARGEFILE
 AC_FUNC_MMAP
@@ -152,14 +146,18 @@ AC_TYPE_OFF_T
 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_HEADERS(sys/mman.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])
+AC_CHECK_MEMBERS([struct stat.st_blocks])
+AC_CHECK_MEMBERS([struct stat.st_rdev])
+
 # Check for complex math functions
 AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"])
 
 # Check for library functions.
-AC_CHECK_FUNCS(getrusage times)
+AC_CHECK_FUNCS(getrusage times mkstemp strtof snprintf)
 
 # Check libc for getgid, getpid, getuid
 AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])])
@@ -177,6 +175,7 @@ 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])])
@@ -210,6 +209,9 @@ AC_CHECK_LIB([m],[y1f],[AC_DEFINE([HAVE_Y1F],[1],[libm includes y1f])])
 AC_CHECK_LIB([m],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])])
 AC_CHECK_LIB([m],[ynf],[AC_DEFINE([HAVE_YNF],[1],[libm includes ynf])])
 
+# Fallback in case isfinite is not available.
+AC_CHECK_LIB([m],[finite],[AC_DEFINE([HAVE_FINITE],[1],[libm includes finite])])
+
 # Let the user override this
 AC_ARG_ENABLE(cmath,
        AC_HELP_STRING([--enable-cmath],[Include complex math functions]),
@@ -226,6 +228,15 @@ AC_SUBST([MATH_OBJ],["$extra_math_obj"])
 # 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
+
 AC_CACHE_SAVE
 
 if test ${multilib} = yes; then