From kde-commits  Fri Dec 07 04:32:26 2007
From: Michael Pyne <michael.pyne () kdemail ! net>
Date: Fri, 07 Dec 2007 04:32:26 +0000
To: kde-commits
Subject: playground/utils/abakus
Message-Id: <1197001946.140142.12504.nullmailer () svn ! kde ! org>
X-MARC-Message: https://marc.info/?l=kde-commits&m=119700195317214

SVN commit 745805 by mpyne:

Add in proper configure check for mpfr.


 M  +18 -0     CMakeLists.txt  
 M  +1 -1      src/CMakeLists.txt  
 M  +1 -1      src/numerictypes.h  


--- trunk/playground/utils/abakus/CMakeLists.txt #745804:745805
@@ -4,7 +4,25 @@
 FIND_PACKAGE(KDE4 REQUIRED)
 
 include(KDE4Defaults)
+include(CheckCXXSourceCompiles)
 
+# Check for libmpfr and libgmp, and verify existence of _mpfr_struct
+set(CMAKE_REQUIRED_LIBRARIES gmp mpfr)
+check_cxx_source_compiles(
+    "#include <mpfr.h>
+
+    int main() {
+    mpfr_t a;
+    mpfr_ptr ptr;
+    __mpfr_struct debug;
+
+    mpfr_init(a);
+    return 0;
+    }
+    "
+    HAVE_MPFR
+    )
+
 INCLUDE_DIRECTORIES(${KDE4_INCLUDES} ${QT4_INCLUDES})
 ADD_DEFINITIONS(${QT_DEFINITIONS} ${KDE4_DEFINITIONS})
 
--- trunk/playground/utils/abakus/src/CMakeLists.txt #745804:745805
@@ -123,8 +123,8 @@
     )
 
 set(MPFR_LIBS)
-set(HAVE_MPFR 0)
 IF(HAVE_MPFR)
+    MESSAGE("Using the MPFR high-precision mathematics library")
     SET(MPFR_LIBS mpfr gmp)
 ELSE(HAVE_MPFR)
     SET(abakus_SRCS ${abakus_SRCS} hmath.cpp number.c)
--- trunk/playground/utils/abakus/src/numerictypes.h #745804:745805
@@ -260,7 +260,7 @@
     explicit number(const QByteArray &str)
     {
         m_t = (mpfr_ptr) new __mpfr_struct;
-        mpfr_init_set_str (m_tr, str.constData(), 10, RoundDirection);
+        mpfr_init_set_str (m_t, str.constData(), 10, RoundDirection);
     }
 
     explicit number(int i)