PR libfortran/29810

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

diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index 6ca4565..23e80fd 100644 (file)
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -4,6 +4,7 @@
 AC_PREREQ(2.59)
 AC_INIT([GNU Fortran Runtime Library], 0.2,,[libgfortran])
 AC_CONFIG_HEADER(config.h)
+GCC_TOPLEV_SUBDIRS
 
 # -------
 # Options
@@ -111,10 +112,13 @@ m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
 
 # Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC.
 if test "x$GCC" = "xyes"; then
-  AM_FCFLAGS="-Wall -fno-repack-arrays -fno-underscoring"
+  AM_FCFLAGS="-I . -Wall -fno-repack-arrays -fno-underscoring"
   ## We like to use C99 routines when available.  This makes sure that
   ## __STDC_VERSION__ is set such that libc includes make them available.
   AM_CFLAGS="-std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings"
+  ## Compile the following tests with the same system header contents
+  ## that we'll encounter when compiling our own source files.
+  CFLAGS="-std=gnu99 $CFLAGS"
 fi
 AC_SUBST(AM_FCFLAGS)
 AC_SUBST(AM_CFLAGS)
@@ -149,16 +153,16 @@ 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 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 floatingpoint.h ieeefp.h)
+AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/wait.h floatingpoint.h ieeefp.h)
 AC_CHECK_HEADERS(fenv.h fptrap.h float.h)
 AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
+GCC_HEADER_STDINT(gstdint.h)
 
 AC_CHECK_MEMBERS([struct stat.st_blksize])
 AC_CHECK_MEMBERS([struct stat.st_blocks])
@@ -167,7 +171,11 @@ AC_CHECK_MEMBERS([struct stat.st_rdev])
 # Check for library functions.
 AC_CHECK_FUNCS(getrusage times mkstemp strtof strtold snprintf ftruncate chsize)
 AC_CHECK_FUNCS(chdir strerror getlogin gethostname kill link symlink perror)
-AC_CHECK_FUNCS(sleep time ttyname signal alarm)
+AC_CHECK_FUNCS(sleep time ttyname signal alarm ctime clock access fork execl)
+AC_CHECK_FUNCS(wait setmode)
+
+# Check for types
+AC_CHECK_TYPES([intptr_t])
 
 # Check libc for getgid, getpid, getuid
 AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])])
@@ -233,12 +241,18 @@ 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],[fmodf],[AC_DEFINE([HAVE_FMODF],[1],[libm includes fmodf])])
+AC_CHECK_LIB([m],[fmod],[AC_DEFINE([HAVE_FMOD],[1],[libm includes fmod])])
+AC_CHECK_LIB([m],[fmodl],[AC_DEFINE([HAVE_FMODL],[1],[libm includes fmodl])])
 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],[ldexpf],[AC_DEFINE([HAVE_LDEXPF],[1],[libm includes ldexpf])])
+AC_CHECK_LIB([m],[ldexp],[AC_DEFINE([HAVE_LDEXP],[1],[libm includes ldexp])])
+AC_CHECK_LIB([m],[ldexpl],[AC_DEFINE([HAVE_LDEXPL],[1],[libm includes ldexpl])])
 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])])
@@ -374,6 +388,15 @@ 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