openmp: Diagnose non-rectangular loops with invalid steps

[gcc.git] / libgfortran / configure.ac

diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index 64f7b9a39d52a4f8cf76eebce0ac0af607599697..4109d0fefae12884759eb91d55ae6180d5a0d821 100644 (file)
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -1,7 +1,6 @@
 # Process this file with autoconf to produce a configure script, like so:
 # aclocal && autoconf && autoheader && automake
 
-AC_PREREQ(2.64)
 AC_INIT([GNU Fortran Runtime Library], 0.3,,[libgfortran])
 AC_CONFIG_HEADER(config.h)
 GCC_TOPLEV_SUBDIRS
@@ -87,6 +86,8 @@ fi
 
 AC_USE_SYSTEM_EXTENSIONS
 
+GCC_WITH_TOOLEXECLIBDIR
+
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -102,7 +103,14 @@ case ${version_specific_libs} in
        test x"$with_cross_host" != x"no"; then
       # Install a library built with a cross compiler in tooldir, not libdir.
       toolexecdir='$(exec_prefix)/$(target_alias)'
-      toolexeclibdir='$(toolexecdir)/lib'
+      case ${with_toolexeclibdir} in
+       no)
+         toolexeclibdir='$(toolexecdir)/lib'
+         ;;
+       *)
+         toolexeclibdir=${with_toolexeclibdir}
+         ;;
+      esac
     else
       toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
       toolexeclibdir='$(libdir)'
@@ -314,8 +322,8 @@ if test "${hardwire_newlib:-0}" -eq 1; then
 else
    AC_CHECK_FUNCS_ONCE(getrusage times mkstemp strtof strtold snprintf \
    ftruncate chsize chdir getentropy getlogin gethostname kill link symlink \
-   sleep ttyname \
-   alarm access fork setmode fcntl writev \
+   sleep ttyname sigaction waitpid \
+   alarm access fork posix_spawn setmode fcntl writev \
    gettimeofday stat fstat lstat getpwuid vsnprintf dup \
    getcwd localtime_r gmtime_r getpwuid_r ttyname_r clock_gettime \
    getgid getpid getuid geteuid umask getegid \
@@ -384,6 +392,9 @@ GCC_CHECK_MATH_FUNC([cabsl])
 GCC_CHECK_MATH_FUNC([floorf])
 GCC_CHECK_MATH_FUNC([floor])
 GCC_CHECK_MATH_FUNC([floorl])
+GCC_CHECK_MATH_FUNC([fmaf])
+GCC_CHECK_MATH_FUNC([fma])
+GCC_CHECK_MATH_FUNC([fmal])
 GCC_CHECK_MATH_FUNC([fmodf])
 GCC_CHECK_MATH_FUNC([fmod])
 GCC_CHECK_MATH_FUNC([fmodl])
@@ -508,6 +519,11 @@ GCC_CHECK_MATH_FUNC([catanl])
 # On AIX, clog is present in libm as __clog
 AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
 
+GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK2([copysign], [double])
+GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK2([copysignl], [long double])
+GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK1([fabs], [double])
+GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK1([fabsl], [long double])
+
 # Check whether the system has a working stat()
 LIBGFOR_CHECK_WORKING_STAT
 
@@ -585,6 +601,18 @@ AC_SUBST(IEEE_SUPPORT)
 IEEE_FLAGS="${ieee_flags}"
 AC_SUBST(IEEE_FLAGS)
 
+# Conditionalize the makefile for this target machine.
+tmake_file_=
+for f in ${tmake_file}
+do
+       if test -f ${srcdir}/config/$f
+       then
+               tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
+       fi
+done
+tmake_file="${tmake_file_}"
+AC_SUBST(tmake_file)
+
 
 # Check for POSIX getpwuid_r 
 #
@@ -609,8 +637,8 @@ fi
 LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
 LIBGFOR_CHECK_ATTRIBUTE_ALIAS
 
-# Check out sync builtins support.
-LIBGFOR_CHECK_SYNC_FETCH_AND_ADD
+# Check out atomic builtins support.
+LIBGFOR_CHECK_ATOMIC_FETCH_ADD
 
 # Check out #pragma weak.
 LIBGFOR_GTHREAD_WEAK