1. preprocessCore
  2. Commit 4f232090f9967e23bbce833cfd1e996dac371372
Browse code

adding configure.ac

Ben Bolstad authored on 19/06/2025 23:00:43
Showing 2 changed files
configure.ac
History View file @ 4f23209
1 1 
new file mode 100644
... ... 
@@ -0,0 +1,142 @@
1 
+dnl
2 
+dnl Configuration things for preprocessCore
3 
+dnl
4 
+
5 
+
6 
+AC_INIT("DESCRIPTION")
7 
+
8 
+dnl
9 
+dnl Are things (still) the same ?
10 
+dnl (taken from the 'writing R extensions manual')
11 
+
12 
+dnl Now find the compiler and compiler flags to use
13 
+: ${R_HOME=`R RHOME`}
14 
+if test -z "${R_HOME}"; then
15 
+       echo "could not determine R_HOME"
16 
+       exit 1
17 
+fi
18 
+CC=`"${R_HOME}/bin/R" CMD config CC`
19 
+CPP=`"${R_HOME}/bin/R" CMD config CPP`
20 
+CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
21 
+CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
22 
+AC_PROG_CC
23 
+AC_PROG_CPP
24 
+
25 
+
26 
+AC_LANG(C)
27 
+
28 
+# Checks for libraries.
29 
+use_pthreads=no
30 
+AC_SEARCH_LIBS([pthread_create], [pthread],
31 
+  [use_pthreads=yes])
32 
+
33 
+# Checks for header files.
34 
+AC_HEADER_STDC
35 
+AC_CHECK_HEADERS([stdlib.h])
36 
+
37 
+if test "x${have_pthreads}" = xyes; then
38 
+  AC_CHECK_HEADERS([pthread.h], [],
39 
+    [use_pthreads=no])
40 
+fi
41 
+
42 
+
43 
+AC_MSG_CHECKING([if PTHREAD_STACK_MIN is defined])
44 
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
45 
+	#include <pthread.h>
46 
+	#include <limits.h>
47 
+
48 
+      int main () {size_t stacksize = PTHREAD_STACK_MIN + 0x4000;
49 
+}
50 
+    ])],[use_pthread_stack_min=yes], [use_pthread_stack_min=no])
51 
+AC_MSG_RESULT($use_pthread_stack_min)
52 
+
53 
+if test "x$use_pthread_stack_min" = xno; then
54 
+	use_pthreads=no
55 
+fi
56 
+
57 
+
58 
+AC_MSG_CHECKING([if __pthread_get_minstack can be used])
59 
+AC_RUN_IFELSE([AC_LANG_SOURCE([
60 
+	#include <pthread.h>
61 
+	#include <limits.h>
62 
+	#include <dlfcn.h>
63 
+
64 
+
65 
+	typedef size_t (*GetMinStack)(const pthread_attr_t *attr);
66 
+
67 
+	GetMinStack _get_minstack_func = NULL;
68 
+
69 
+	static void get_minstack_init() {
70 
+  		_get_minstack_func =
71 
+        (GetMinStack)dlsym(RTLD_DEFAULT, "__pthread_get_minstack");
72 
+	}
73 
+
74 
+
75 
+    int main () {
76 
+		get_minstack_init();
77 
+		if (_get_minstack_func == NULL){
78 
+			return 1;
79 
+		} else {
80 
+			return 0;
81 
+		}
82 
+	}
83 
+
84 
+    ])],[use_pthread_get_minstack=yes], [use_pthread_get_minstack=no])
85 
+AC_MSG_RESULT($use_pthread_get_minstack)
86 
+
87 
+
88 
+
89 
+# AC_MSG_CHECKING([if R is using flexiblas])
90 
+# BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
91 
+# if echo "${BLAS_LIBS}" | grep flexiblas > /dev/null; then
92 
+#    AC_MSG_RESULT([flexiblas found. preprocessCore specific threading will be disabled])
93 
+#    use_pthreads=no
94 
+# else
95 
+#     AC_MSG_RESULT([flexiblas not found. preprocessCore threading will not be disabled])
96 
+# fi
97 
+
98 
+
99 
+dnl AC_MSG_CHECKING([if R is using openblasp])
100 
+dnl BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
101 
+dnl if echo "${BLAS_LIBS}" | grep openblasp > /dev/null; then
102 
+dnl     AC_MSG_RESULT([openblasp found. preprocessCore specific threading will be disabled])
103 
+dnl     use_pthreads=yes
104 
+dnl else
105 
+dnl     AC_MSG_RESULT([openblasp not found. preprocessCore threading will not be disabled])
106 
+dnl fi
107 
+
108 
+
109 
+
110 
+
111 
+AC_ARG_ENABLE([threading],
112 
+	AS_HELP_STRING([--disable-threading],[Disable threading]))
113 
+
114 
+
115 
+
116 
+AS_IF([test "x$enable_threading" != "xno" ],[
117 
+	    if test "x${use_pthreads}" = "xno"; then
118 
+	       AC_MSG_NOTICE(------------------------------------------)
119 
+	       AC_MSG_NOTICE( Unable to find pthreads on this system.  )
120 
+	       AC_MSG_NOTICE( Building a single-threaded version.      )
121 
+	       AC_MSG_NOTICE(------------------------------------------)
122 
+	    fi
123 
+
124 
+
125 
+	    if test "x${use_pthreads}" = "xyes"; then
126 
+  	       AC_MSG_NOTICE(Enabling threading for preprocessCore)
127 
+  	       AC_DEFINE(USE_PTHREADS, 1)
128 
+		   if test "x${use_pthread_get_minstack}" = "xyes"; then
129 
+		   	AC_MSG_NOTICE(Using __pthread_get_minstack)
130 
+			AC_DEFINE(INFER_MIN_STACKSIZE,1)
131 
+
132 
+	    fi
133 
+	    ],
134 
+	    [
135 
+	    AC_MSG_NOTICE(Disabling threading for preprocessCore)
136 
+	    ])
137 
+
138 
+
139 
+
140 
+
141 
+
142 
+AC_OUTPUT(src/Makevars)
configure.in
History View file @ 4f23209
... ... 
@@ -80,30 +80,30 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([
80 80 
 			return 0;
81 81 
 		}
82 82 
 	}
83 
-
83 
+
84 84 
     ])],[use_pthread_get_minstack=yes], [use_pthread_get_minstack=no])
85 85 
 AC_MSG_RESULT($use_pthread_get_minstack)
86 86
87 87
88 88
89 
-AC_MSG_CHECKING([if R is using flexiblas])
90 
-BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
91 
-if echo "${BLAS_LIBS}" | grep flexiblas > /dev/null; then
92 
-    AC_MSG_RESULT([flexiblas found. preprocessCore specific threading will be disabled])
93 
-    use_pthreads=no
94 
-else
95 
-    AC_MSG_RESULT([flexiblas not found. preprocessCore threading will not be disabled])
96 
-fi
89 
+# AC_MSG_CHECKING([if R is using flexiblas])
90 
+# BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
91 
+# if echo "${BLAS_LIBS}" | grep flexiblas > /dev/null; then
92 
+#    AC_MSG_RESULT([flexiblas found. preprocessCore specific threading will be disabled])
93 
+#    use_pthreads=no
94 
+# else
95 
+#     AC_MSG_RESULT([flexiblas not found. preprocessCore threading will not be disabled])
96 
+# fi
97 97
98 98
99 
-AC_MSG_CHECKING([if R is using openblasp])
100 
-BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
101 
-if echo "${BLAS_LIBS}" | grep openblasp > /dev/null; then
102 
-    AC_MSG_RESULT([openblasp found. preprocessCore specific threading will be disabled])
103 
-    use_pthreads=no
104 
-else
105 
-    AC_MSG_RESULT([openblasp not found. preprocessCore threading will not be disabled])
106 
-fi
99 
+dnl AC_MSG_CHECKING([if R is using openblasp])
100 
+dnl BLAS_LIBS=`"${R_HOME}/bin/R" CMD config BLAS_LIBS`
101 
+dnl if echo "${BLAS_LIBS}" | grep openblasp > /dev/null; then
102 
+dnl     AC_MSG_RESULT([openblasp found. preprocessCore specific threading will be disabled])
103 
+dnl     use_pthreads=yes
104 
+dnl else
105 
+dnl     AC_MSG_RESULT([openblasp not found. preprocessCore threading will not be disabled])
106 
+dnl fi
107 107
108 108
109 109
... ... 
@@ -125,6 +125,10 @@ AS_IF([test "x$enable_threading" != "xno" ],[
125 125 
 	    if test "x${use_pthreads}" = "xyes"; then
126 126 
   	       AC_MSG_NOTICE(Enabling threading for preprocessCore)
127 127 
   	       AC_DEFINE(USE_PTHREADS, 1)
128 
+		   if test "x${use_pthread_get_minstack}" = "xyes"; then
129 
+		   	AC_MSG_NOTICE(Using __pthread_get_minstack)
130 
+			AC_DEFINE(INFER_MIN_STACKSIZE,1)
131 
+
128 132 
 	    fi
129 133 
 	    ],
130 134 
 	    [