fccompat: fix build on Windows without unistd.h
https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/access-waccess?view=vs-2019
diff --git a/fc-cache/fc-cache.c b/fc-cache/fc-cache.c
index 091eed4..4138d0b 100644
--- a/fc-cache/fc-cache.c
+++ b/fc-cache/fc-cache.c
@@ -34,7 +34,9 @@
#include <fontconfig/fontconfig.h>
#include <stdio.h>
#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
diff --git a/fc-cat/fc-cat.c b/fc-cat/fc-cat.c
index 69611bc..e2be0cb 100644
--- a/fc-cat/fc-cat.c
+++ b/fc-cat/fc-cat.c
@@ -36,7 +36,9 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
diff --git a/fc-conflist/fc-conflist.c b/fc-conflist/fc-conflist.c
index 5c40a0f..74d2d9c 100644
--- a/fc-conflist/fc-conflist.c
+++ b/fc-conflist/fc-conflist.c
@@ -35,7 +35,9 @@
#include <fontconfig/fontconfig.h>
#include <stdio.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <stdlib.h>
#include <string.h>
#include <locale.h>
diff --git a/fc-list/fc-list.c b/fc-list/fc-list.c
index 2039acd..c268ea9 100644
--- a/fc-list/fc-list.c
+++ b/fc-list/fc-list.c
@@ -24,7 +24,6 @@
#include <fontconfig/fontconfig.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
@@ -37,6 +36,10 @@
#define HAVE_GETOPT 1
#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/fc-match/fc-match.c b/fc-match/fc-match.c
index dee6147..4362ec1 100644
--- a/fc-match/fc-match.c
+++ b/fc-match/fc-match.c
@@ -33,11 +33,14 @@
#include <fontconfig/fontconfig.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/fc-pattern/fc-pattern.c b/fc-pattern/fc-pattern.c
index 7989b81..1e9b1ba 100644
--- a/fc-pattern/fc-pattern.c
+++ b/fc-pattern/fc-pattern.c
@@ -33,11 +33,14 @@
#include <fontconfig/fontconfig.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/fc-query/fc-query.c b/fc-query/fc-query.c
index fbffb84..74841b0 100644
--- a/fc-query/fc-query.c
+++ b/fc-query/fc-query.c
@@ -36,11 +36,14 @@
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/fc-scan/fc-scan.c b/fc-scan/fc-scan.c
index 9302ac5..02831e0 100644
--- a/fc-scan/fc-scan.c
+++ b/fc-scan/fc-scan.c
@@ -36,11 +36,14 @@
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/fc-validate/fc-validate.c b/fc-validate/fc-validate.c
index 327ae63..ecd31c6 100644
--- a/fc-validate/fc-validate.c
+++ b/fc-validate/fc-validate.c
@@ -36,11 +36,14 @@
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
-#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
diff --git a/src/fcatomic.c b/src/fcatomic.c
index d12d324..5b5e030 100644
--- a/src/fcatomic.c
+++ b/src/fcatomic.c
@@ -47,13 +47,20 @@
* held.
*/
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include "fcint.h"
#include <sys/types.h>
#include <sys/stat.h>
-#include <unistd.h>
#include <stdlib.h>
#include <time.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef _WIN32
#include <direct.h>
#define mkdir(path,mode) _mkdir(path)
diff --git a/src/fccompat.c b/src/fccompat.c
index 16f108d..53436b5 100644
--- a/src/fccompat.c
+++ b/src/fccompat.c
@@ -71,6 +71,21 @@
#define FC_O_NOINHERIT 0
#endif
+#ifndef HAVE_UNISTD_H
+/* Values for the second argument to access. These may be OR'd together. */
+#ifndef R_OK
+#define R_OK 4 /* Test for read permission. */
+#endif
+#ifndef W_OK
+#define W_OK 2 /* Test for write permission. */
+#endif
+#ifndef F_OK
+#define F_OK 0 /* Test for existence. */
+#endif
+
+typedef int mode_t;
+#endif /* !HAVE_UNISTD_H */
+
#if !defined (HAVE_MKOSTEMP) && !defined(HAVE_MKSTEMP) && !defined(HAVE__MKTEMP_S)
static int
mkstemp (char *template)
diff --git a/src/fcint.h b/src/fcint.h
index 9e1da1e..11efdba 100644
--- a/src/fcint.h
+++ b/src/fcint.h
@@ -40,7 +40,9 @@
#include <limits.h>
#include <float.h>
#include <math.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/test/test-bz106632.c b/test/test-bz106632.c
index 5db912b..0f37b9c 100644
--- a/test/test-bz106632.c
+++ b/test/test-bz106632.c
@@ -29,8 +29,10 @@
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
-#include <unistd.h>
#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifndef HAVE_STRUCT_DIRENT_D_TYPE
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/test/test-d1f48f11.c b/test/test-d1f48f11.c
index 929afd9..9237036 100644
--- a/test/test-d1f48f11.c
+++ b/test/test-d1f48f11.c
@@ -29,8 +29,10 @@
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
-#include <unistd.h>
#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifndef HAVE_STRUCT_DIRENT_D_TYPE
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/test/test-issue107.c b/test/test-issue107.c
index e22c35f..07db3ae 100644
--- a/test/test-issue107.c
+++ b/test/test-issue107.c
@@ -29,8 +29,10 @@
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
-#include <unistd.h>
#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifndef HAVE_STRUCT_DIRENT_D_TYPE
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/test/test-issue110.c b/test/test-issue110.c
index 3794b08..fa20285 100644
--- a/test/test-issue110.c
+++ b/test/test-issue110.c
@@ -29,8 +29,10 @@
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
-#include <unistd.h>
#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifndef HAVE_STRUCT_DIRENT_D_TYPE
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/test/test-migration.c b/test/test-migration.c
index b7d96dc..d3a0e42 100644
--- a/test/test-migration.c
+++ b/test/test-migration.c
@@ -28,13 +28,14 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#include <sys/types.h>
#include <dirent.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifndef HAVE_STRUCT_DIRENT_D_TYPE
#include <sys/types.h>
#include <sys/stat.h>
-#include <unistd.h>
#endif
#include <fontconfig/fontconfig.h>
