From fa132e4f0fd7aa379833f8beb3f18888990bfe1e Mon Sep 17 00:00:00 2001
From: Matthias Wolf <matthias.wolf@epfl.ch>
Date: Wed, 1 Nov 2023 14:47:38 +0100
Subject: [PATCH] unistd: add include guards for header (#2590)

* unistd: add include guards for header
---
 src/ivoc/pwman.cpp                              | 2 ++
 src/nrniv/nrncore_write/utils/nrncore_utils.cpp | 2 ++
 src/nrnoc/init.cpp                              | 2 ++
 src/nrnpython/rxd_intracellular.cpp             | 2 ++
 src/oc/code2.cpp                                | 2 ++
 src/oc/fileio.cpp                               | 2 ++
 src/oc/hoc.cpp                                  | 2 ++
 src/oc/mswinprt.cpp                             | 2 ++
 src/oc/scoprand.cpp                             | 2 ++
 src/parallel/bbsclimpi.cpp                      | 2 ++
 src/parallel/bbsdirectmpi.cpp                   | 2 ++
 src/parallel/bbssrvmpi.cpp                      | 2 ++
 12 files changed, 24 insertions(+)

diff --git a/src/ivoc/pwman.cpp b/src/ivoc/pwman.cpp
index 3e137781c6..c393eb47a7 100644
--- a/src/ivoc/pwman.cpp
+++ b/src/ivoc/pwman.cpp
@@ -41,7 +41,9 @@ void iv_display_scale(Coord, Coord);  // Make if fit into the screen
 char* hoc_back2forward(char*);
 #endif
 
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #define IOS_OUT std::ios::out
 
 #include <IV-look/kit.h>
diff --git a/src/nrniv/nrncore_write/utils/nrncore_utils.cpp b/src/nrniv/nrncore_write/utils/nrncore_utils.cpp
index 5a24cad859..9267bd0c96 100644
--- a/src/nrniv/nrncore_write/utils/nrncore_utils.cpp
+++ b/src/nrniv/nrncore_write/utils/nrncore_utils.cpp
@@ -11,7 +11,9 @@
 #include "vrecitem.h"  // for nrnbbcore_vecplay_write
 #include "parse.hpp"
 #include <string>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <algorithm>
 #include <cerrno>
 #include <filesystem>
diff --git a/src/nrnoc/init.cpp b/src/nrnoc/init.cpp
index c46b11f368..6a67507a8e 100644
--- a/src/nrnoc/init.cpp
+++ b/src/nrnoc/init.cpp
@@ -7,7 +7,9 @@
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include "section.h"
 #include "parse.hpp"
 #include "nrniv_mf.h"
diff --git a/src/nrnpython/rxd_intracellular.cpp b/src/nrnpython/rxd_intracellular.cpp
index ca95795c54..093cb728de 100644
--- a/src/nrnpython/rxd_intracellular.cpp
+++ b/src/nrnpython/rxd_intracellular.cpp
@@ -5,7 +5,9 @@
 #include "grids.h"
 #include "rxd.h"
 #include <nrnwrap_Python.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 
 #include <cmath>
 
diff --git a/src/oc/code2.cpp b/src/oc/code2.cpp
index dd17fd3d17..3e804d103c 100644
--- a/src/oc/code2.cpp
+++ b/src/oc/code2.cpp
@@ -7,7 +7,9 @@
 #include "hocparse.h"
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <ctype.h>
 #include <errno.h>
 #include "nrnfilewrap.h"
diff --git a/src/oc/fileio.cpp b/src/oc/fileio.cpp
index 88b7e96f2f..455d0220a1 100644
--- a/src/oc/fileio.cpp
+++ b/src/oc/fileio.cpp
@@ -4,7 +4,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <cstdarg>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include "hoc.h"
 #include "ocmisc.h"
 #include "hocstr.h"
diff --git a/src/oc/hoc.cpp b/src/oc/hoc.cpp
index d0354c18a4..f4542a9586 100644
--- a/src/oc/hoc.cpp
+++ b/src/oc/hoc.cpp
@@ -4,7 +4,9 @@
 #include "equation.h"
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <math.h>
 #include <errno.h>
 #include "parse.hpp"
diff --git a/src/oc/mswinprt.cpp b/src/oc/mswinprt.cpp
index abfc906154..202a86db82 100644
--- a/src/oc/mswinprt.cpp
+++ b/src/oc/mswinprt.cpp
@@ -2,7 +2,9 @@
 
 #ifdef MINGW
 
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <windows.h>
 #include <stdio.h>
 #include <stdarg.h>
diff --git a/src/oc/scoprand.cpp b/src/oc/scoprand.cpp
index c7683b2ae8..7f08ae8814 100644
--- a/src/oc/scoprand.cpp
+++ b/src/oc/scoprand.cpp
@@ -1,6 +1,8 @@
 #include <../../nrnconf.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 
 /* this was removed from the scopmath library since there could be
 multiple copies of the static value below. One in neuron.exe and the
diff --git a/src/parallel/bbsclimpi.cpp b/src/parallel/bbsclimpi.cpp
index 571b9bad14..4e95b5b336 100644
--- a/src/parallel/bbsclimpi.cpp
+++ b/src/parallel/bbsclimpi.cpp
@@ -4,7 +4,9 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <InterViews/resource.h>
 #include "nrnpy.h"
 #include "oc2iv.h"
diff --git a/src/parallel/bbsdirectmpi.cpp b/src/parallel/bbsdirectmpi.cpp
index a09e0424ac..4e62dbe0bf 100644
--- a/src/parallel/bbsdirectmpi.cpp
+++ b/src/parallel/bbsdirectmpi.cpp
@@ -3,7 +3,9 @@
 #ifdef NRNMPI  // to end of file
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <InterViews/resource.h>
 #include "oc2iv.h"
 #include "bbs.h"
diff --git a/src/parallel/bbssrvmpi.cpp b/src/parallel/bbssrvmpi.cpp
index 97f49c037f..53aef3cd3b 100644
--- a/src/parallel/bbssrvmpi.cpp
+++ b/src/parallel/bbssrvmpi.cpp
@@ -2,7 +2,9 @@
 #include <nrnmpi.h>
 #ifdef NRNMPI  // to end of file
 #include <stdio.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include "bbssrv2mpi.h"
 #include "bbssrv.h"