Make compatible with MSVC

meson.build

@@ -2,20 +2,20 @@ project('stdlib', 'c',
   default_options: ['warning_level=3', 'c_std=gnu99'])
 
 cc = meson.get_compiler('c')
-libm = cc.find_library('m')
+libm = cc.find_library('m', required: false)
 
 glib_dep = dependency('glib-2.0', version: '>= 2.16', required: false)
 openmp_dep = dependency('openmp', required: false)
-thread_dep = dependency('threads', required: false)
+pthreads_dep = dependency('pthreads', required: false)
 
 conf_data = configuration_data()
 
 cc = meson.get_compiler('c')
 
-has_reallocarray = cc.has_function('reallocarray')
 if cc.has_function('reallocarray')
   conf_data.set('HAVE_REALLOCARRAY', 1)
 endif
+has_strndup = cc.has_function('strndup')
 
 configure_file(configuration: conf_data, output: 'config.h')
 config_dep = declare_dependency(include_directories: '.')
@@ -29,6 +29,6 @@ endif
 subdir('lib')
 subdir('src')
 
-if glib_dep.found()
+if glib_dep.found() and cc.get_id() != 'msvc'
   subdir('test')
 endif

src/angle.c

+#ifdef _MSC_VER
+    #define _USE_MATH_DEFINES
+#endif
+
 #include <stdio.h>
 #include <tgmath.h>
 

src/kepler.c

+#ifdef _MSC_VER
+    #define _USE_MATH_DEFINES
+#endif
+
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <tgmath.h>
 
 #define ACC 1e-9
 

src/list-test.c

@@ -12,7 +12,7 @@ add_data (SList *list)
   printf ("Input the data ");
   scanf ("%s", buffer);
 
-  char *str = strdup (buffer);
+  char *str = strndup (buffer, sizeof (buffer));
   return slist_prepend (list, str);
 }
 

src/meson.build

@@ -3,7 +3,6 @@ executable('angle', 'angle.c', dependencies: libm)
 executable('array-length', 'array-length.c', dependencies: types_dep)
 executable('binary', 'binary.c')
 executable('binary2', 'binary2.c', dependencies: utils_dep)
-executable('complex', 'complex.c', dependencies: libm)
 executable('doubles', 'doubles.c')
 executable('einstein', 'einstein.c')
 executable('fib', 'fib.c')
@@ -12,24 +11,31 @@ executable('fixed-sizeof', 'fixed-sizeof.c')
 executable('fgets', 'fgets.c')
 executable('gcd', 'gcd.c')
 executable('getchar', 'getchar.c')
-executable('hashtable-test', 'hashtable-test.c', dependencies: types_dep)
 executable('kepler', 'kepler.c', dependencies: libm)
-executable('list-test', 'list-test.c', dependencies: types_dep)
 executable('next', 'next.c', dependencies: libm)
-executable('parrot', 'parrot.c')
 executable('sizeof', 'sizeof.c')
 executable('snprintf', 'snprintf.c')
-executable('strtol', 'strtol.c')
 executable('taylor', 'taylor.c')
 executable('winter', 'winter.c')
 executable('world', 'world.c')
 
+if has_strndup
+    executable('hashtable-test', 'hashtable-test.c', dependencies: types_dep)
+    executable('list-test', 'list-test.c', dependencies: types_dep)
+endif
+
+if cc.get_id() != 'msvc'
+    executable('complex', 'complex.c', dependencies: libm)
+    executable('parrot', 'parrot.c')
+    executable('strtol', 'strtol.c')
+endif
+
 subdir('sockets')
 
 if openmp_dep.found()
     subdir('openmp')
 endif
 
-if thread_dep.found()
+if pthreads_dep.found()
     subdir('pthread')
 endif

src/next.c

+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <tgmath.h>
 
 int
 main (int argc, char **argv)
@@ -27,7 +27,7 @@ main (int argc, char **argv)
 
     do
     {
-        current = nextafter (current, end);
+        current = nextafterf (current, end);
         count++;
     } while (current != end);
 

src/openmp/meson.build

-executable('pi', 'pi.c', dependencies: [openmp_dep, libm])
-executable('simd', 'simd.c', dependencies: openmp_dep)
-executable('taylor', 'taylor.c', dependencies: openmp_dep)
 executable('threads', 'threads.c', dependencies: openmp_dep)
+
+if cc.get_id() != 'msvc'
+    executable('pi', 'pi.c', dependencies: [openmp_dep, libm])
+    executable('simd', 'simd.c', dependencies: openmp_dep)
+    executable('taylor', 'taylor.c', dependencies: openmp_dep)
+endif

src/pthread/meson.build

 executable('thread-incr', 'thread-incr.c',
-           dependencies: [thread_dep, utils_dep])
+           dependencies: [pthreads_dep, utils_dep])