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From a2f0669fac1f8e7183b15cf7d14f0e99a2d8b012 Mon Sep 17 00:00:00 2001
From: Samuel Martin <s.martin49@gmail.com>
Date: Sat, 11 Jan 2014 21:47:39 +0100
Subject: [PATCH 3/6] cmake: do not try to run arithchk when cross-compiling to
generate sources
Instead, use a predefined arith.h if provided, or generate a default one.
The arithchk binary is still built (but not installed) to allow the user to
run it on its target and use it; so then allowing to build an optimized
blas library.
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
---
F2CLIBS/libf2c/CMakeLists.txt | 38 ++++++++++++++++++++++++++++----------
1 file changed, 28 insertions(+), 10 deletions(-)
diff --git a/F2CLIBS/libf2c/CMakeLists.txt b/F2CLIBS/libf2c/CMakeLists.txt
index f98d66a..45a0804 100644
--- a/F2CLIBS/libf2c/CMakeLists.txt
+++ b/F2CLIBS/libf2c/CMakeLists.txt
@@ -38,17 +38,35 @@ set(TIME dtime_.c etime_.c)
# For INTEGER*8 support (which requires system-dependent adjustments to
# f2c.h), add ${QINT} to the OFILES assignment below...
-add_executable(arithchk arithchk.c)
-if(UNIX)
- target_link_libraries(arithchk m)
+if(CMAKE_CROSSCOMPILING)
+ if(ARITH_H)
+ message(STATUS "Using the user-defined '${ARITH_H}' as arith.h header.")
+ configure_file("${ARITH_H}" "${CMAKE_CURRENT_BINARY_DIR}/arith.h" COPYONLY)
+ else()
+ message(STATUS "No user-defined arith.h header.")
+ if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/arith.h")
+ message(WARNING "Generating the default non-optimized 'arith.h' header.
+
+To generate and provide a custom arith.h header:
+run the cross-compiled arithchk binary on your target,
+and use its output to fill your custom arith.h header.")
+ file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/arith.h"
+ "/* default, not optimized arith.h */")
+ endif()
+ endif()
+else()
+ add_executable(arithchk arithchk.c)
+ if(UNIX)
+ target_link_libraries(arithchk m)
+ endif()
+ set_target_properties(arithchk PROPERTIES COMPILE_DEFINITIONS
+ "NO_FPINIT;NO_LONG_LONG")
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/arith.h
+ COMMAND arithchk > ${CMAKE_CURRENT_BINARY_DIR}/arith.h
+ DEPENDS arithchk
+ )
endif()
-set_target_properties(arithchk PROPERTIES COMPILE_DEFINITIONS
- "NO_FPINIT;NO_LONG_LONG")
-ADD_CUSTOM_COMMAND(
- OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/arith.h
- COMMAND arithchk > ${CMAKE_CURRENT_BINARY_DIR}/arith.h
- DEPENDS arithchk
- )
set(OFILES ${MISC} ${POW} ${CX} ${DCX} ${REAL} ${DBL} ${INT}
--
1.8.5.3
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