package/clapack/clapack-0003-cmake-do-not-try-to-run-arithchk-when-cross-compilin.patch

   1 From a2f0669fac1f8e7183b15cf7d14f0e99a2d8b012 Mon Sep 17 00:00:00 2001
   2 From: Samuel Martin <s.martin49@gmail.com>
   3 Date: Sat, 11 Jan 2014 21:47:39 +0100
   4 Subject: [PATCH 3/6] cmake: do not try to run arithchk when cross-compiling to
   5  generate sources
   6
   7 Instead, use a predefined arith.h if provided, or generate a default one.
   8
   9 The arithchk binary is still built (but not installed) to allow the user to
  10 run it on its target and use it; so then allowing to build an optimized
  11 blas library.
  12
  13 Signed-off-by: Samuel Martin <s.martin49@gmail.com>
  14 ---
  15  F2CLIBS/libf2c/CMakeLists.txt | 38 ++++++++++++++++++++++++++++----------
  16  1 file changed, 28 insertions(+), 10 deletions(-)
  17
  18 diff --git a/F2CLIBS/libf2c/CMakeLists.txt b/F2CLIBS/libf2c/CMakeLists.txt
  19 index f98d66a..45a0804 100644
  20 --- a/F2CLIBS/libf2c/CMakeLists.txt
  21 +++ b/F2CLIBS/libf2c/CMakeLists.txt
  22 @@ -38,17 +38,35 @@ set(TIME dtime_.c etime_.c)
  23
  24  # For INTEGER*8 support (which requires system-dependent adjustments to
  25  # f2c.h), add ${QINT} to the OFILES  assignment below...
  26 -add_executable(arithchk arithchk.c)
  27 -if(UNIX)
  28 -  target_link_libraries(arithchk m)
  29 +if(CMAKE_CROSSCOMPILING)
  30 +  if(ARITH_H)
  31 +    message(STATUS "Using the user-defined '${ARITH_H}' as arith.h header.")
  32 +    configure_file("${ARITH_H}" "${CMAKE_CURRENT_BINARY_DIR}/arith.h" COPYONLY)
  33 +  else()
  34 +    message(STATUS "No user-defined arith.h header.")
  35 +    if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/arith.h")
  36 +      message(WARNING "Generating the default non-optimized 'arith.h' header.
  37 +
  38 +To generate and provide a custom arith.h header:
  39 +run the cross-compiled arithchk binary on your target,
  40 +and use its output to fill your custom arith.h header.")
  41 +      file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/arith.h"
  42 +        "/* default, not optimized arith.h */")
  43 +    endif()
  44 +  endif()
  45 +else()
  46 +  add_executable(arithchk arithchk.c)
  47 +  if(UNIX)
  48 +    target_link_libraries(arithchk m)
  49 +  endif()
  50 +  set_target_properties(arithchk PROPERTIES COMPILE_DEFINITIONS
  51 +    "NO_FPINIT;NO_LONG_LONG")
  52 +  ADD_CUSTOM_COMMAND(
  53 +     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/arith.h
  54 +     COMMAND arithchk > ${CMAKE_CURRENT_BINARY_DIR}/arith.h
  55 +     DEPENDS arithchk
  56 +     )
  57  endif()
  58 -set_target_properties(arithchk PROPERTIES COMPILE_DEFINITIONS
  59 -  "NO_FPINIT;NO_LONG_LONG")
  60 -ADD_CUSTOM_COMMAND(
  61 -   OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/arith.h
  62 -   COMMAND arithchk > ${CMAKE_CURRENT_BINARY_DIR}/arith.h
  63 -   DEPENDS arithchk
  64 -   )
  65
  66
  67  set(OFILES  ${MISC} ${POW} ${CX} ${DCX} ${REAL} ${DBL} ${INT}
  68 --
  69 1.8.5.3
  70