Trac #14605: Better system detection for ATLAS

See lots of rants in #10508.

This fixes a bunch of problems with ATLAS detection system.
Adds support for (some) ARM hard float systems.
Adds archdefs for Raspberry Pi and Cygwin64.

Use tarball at:
* http://boxen.math.washington.edu/home/jpflori/upstream/atlas-3.10.1.20
140210.tar.bz2

URL: http://trac.sagemath.org/14605
Reported by: jpflori
Ticket author(s): Jean-Pierre Flori
Reviewer(s): Volker Braun

build/pkgs/atlas/SPKG.txt

@@ -37,13 +37,14 @@ Solaris, but should also work on OSX and Cygwin.
  * The package is never installed on OS X, unless you set SAGE_ATLAS_ARCH.
 
 === Patches ===
- * patches/archinfo_linux.c.patch: Fix Itanium2 support on modern
-   RHEL 5 and SLES 10 systems.
- * patches/probe_comp.c.patch: work around -m64 issue on Itanium2
- * patches/long_filenames.patch: fix for long filenames (>128 chars)
+ * patches/detect.patch: Fix Itanium2 support on modern
+   RHEL 5 and SLES 10 systems, work around -m64 issue on Itanium2,
+   and correctly detect number and speed of CPUs on a bunch of systems.
+ * patches/arm_hard_floats.patch: make sure soft floats are not enforced on ARM.
+ * patches/long_filenames.patch: fix for long filenames (>128 chars).
  * patches/shell.patch: replace two instances of "test -e" by "test -f",
-   as the former is not portable (in particular for the Solaris
-   shell).
+   as the former is not portable (in particular for the Solaris shell).
+ * patches/Makefile.patch: fix clean target.
  * patches/threads.patch: Avoid thread-related symbols
    ATL_(Set|Reset|Free|Dec)AtomicCount symbols in single-threaded
    library.
@@ -71,8 +72,8 @@ The package can be configured via three environment variables:
      IBMz10, IBMz196, x86x87, x86SSE1, x86SSE2, x86SSE3, P5, P5MMX,
      PPRO, PII, PIII, PM, CoreSolo, CoreDuo, Core2Solo, Core2, Corei1,
      Corei2, Atom, P4, P4E, Efficeon, K7, HAMMER, AMD64K10h, AMDDOZER,
-     UNKNOWNx86, IA64Itan, IA64Itan2, USI, USII, USIII, USIV, UST2,
-     UnknownUS, MIPSR1xK, MIPSICE9, ARMv7
+     UNKNOWNx86, IA64Itan, IA64Itan2, USI, USII, USIII, USIV, UST1, UST2,
+     UnknownUS, MIPSR1xK, MIPSICE9, ARMv6, ARMv7
 
    and instruction set extensions are
 

build/pkgs/atlas/checksums.ini

@@ -1,4 +1,4 @@
 tarball=atlas-VERSION.tar.bz2
-sha1=d7a74adc654eaca6e05d0a90299fd271a5103c52
-md5=43a9a4324648ee3506d7982393b50f00
-cksum=3795128001
+sha1=ecacb1132efac76c7a018ec7212508d4a7e7ebcc
+md5=5d69a191785de59f693b604599570650
+cksum=2926672652

build/pkgs/atlas/configuration.py

@@ -29,7 +29,7 @@
 #
 # Linux?, Solaris?, Darwin?, FreeBSD?, CYGWIN?  # system
 # OS_X_Lion?                                    # release
-# Intel?, PPC?, SPARC?                          # processor
+# Intel?, PPC?, SPARC? ARM?                     # processor
 # 64bit?, 32bit?                                # bits
 # fortran_g95?, fortran_GNU?                    # fortran
 # linker_GNU?, linker_Solaris?, linker_Darwin?  # ld
@@ -151,6 +151,7 @@ def close(self):
 
 conf['processor'] = platform.processor()
 
+conf['ARM?'] = (platform.machine().startswith('arm'))
 conf['Intel?'] = (platform.machine() in ('i386', 'i486', 'i586', 'i686', 'x86_64',
                                          'AMD64', 'i86pc'))
 conf['IA64?']   = ((platform.processor() == 'ia64')

build/pkgs/atlas/enums.py

@@ -24,8 +24,8 @@
     'CoreDuo', 'Core2Solo', 'Core2', 'Corei1', 'Corei2', 'Atom', 'P4', 'P4E',
     'Efficeon', 'K7', 'HAMMER', 'AMD64K10h', 'AMDDOZER', 'UNKNOWNx86',
     'IA64Itan', 'IA64Itan2',
-    'USI', 'USII', 'USIII', 'USIV', 'UST2', 'UnknownUS',
-    'MIPSR1xK', 'MIPSICE9', 'ARMv7')
+    'USI', 'USII', 'USIII', 'USIV', 'UST1', 'UST2', 'UnknownUS',
+    'MIPSR1xK', 'MIPSICE9', 'ARMv6', 'ARMv7')
 
 ATLAS_ISAEXT = (  # static char *ISAXNAM
     'None', 'VSX', 'AltiVec', 'AVXMAC', 'AVXFMA4', 'AVX', 'SSE3', 'SSE2', 'SSE1',
@@ -79,11 +79,13 @@
     39 = 'USII'
     40 = 'USIII'
     41 = 'USIV'
-    42 = 'UST2'
-    43 = 'UnknownUS'
-    44 = 'MIPSR1xK'
-    45 = 'MIPSICE9'
-    46 = 'ARMv7'
+    42 = 'UST1'
+    43 = 'UST2'
+    44 = 'UnknownUS'
+    45 = 'MIPSR1xK'
+    46 = 'MIPSICE9'
+    47 = 'ARMv6'
+    48 = 'ARMv7'
 
 Operating System enums (Config's enum OSTYPE):
      0 = 'UNKNOWN'

build/pkgs/atlas/package-version.txt

@@ -1 +1 @@
-3.10.1.20140128
+3.10.1.20140210

build/pkgs/atlas/patches/arm_hard_floats.patch

@@ -0,0 +1,21 @@
+diff -druN ATLAS.detect/CONFIG/src/atlcomp.txt ATLAS/CONFIG/src/atlcomp.txt
+--- ATLAS.detect/CONFIG/src/atlcomp.txt	2013-01-08 10:15:42.000000000 -0800
++++ ATLAS/CONFIG/src/atlcomp.txt	2014-02-10 04:36:26.113011794 -0800
+@@ -255,13 +255,13 @@
+ # ARM defaults
+ #
+ MACH=ARMv7 OS=ALL LVL=1000 COMPS=xcc
+-   'gcc' '-mcpu=cortex-a8 -O1 -mfpu=vfpv3 -mfloat-abi=softfp '
++   'gcc' '-mcpu=cortex-a8 -O1 -mfpu=vfpv3 -mfloat-abi=hard '
+ MACH=ARMv7 OS=ALL LVL=1000 COMPS=smc,skc,gcc,icc
+-   'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-abi=softfp -fno-expensive-optimizations'
++   'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-abi=hard -fno-expensive-optimizations'
+ MACH=ARMv7 OS=ALL LVL=1000 COMPS=dmc,dkc
+-   'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-abi=softfp -fno-schedule-insns2'
++   'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-abi=hard -fno-schedule-insns2'
+ MACH=ARMv7 OS=ALL LVL=1000 COMPS=f77
+-   'gfortran' '-mcpu=cortex-a8 -mfpu=vfpv3 -mfloat-abi=softfp -O'
++   'gfortran' '-mcpu=cortex-a8 -mfpu=vfpv3 -mfloat-abi=hard -O'
+ #
+ # Generic defaults
+ #