3 files changed, 32 insertions, 1 deletions
diff --git a/Build/source/utils/pmx/pmx-2.7.0/libf2c/patch-07-MuslLibc b/Build/source/utils/pmx/pmx-2.7.0/libf2c/patch-07-MuslLibc
new file mode 100644
index 00000000000..bcfc5489720
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-2.7.0/libf2c/patch-07-MuslLibc
@@ -0,0 +1,23 @@
+
+pmx does not compile with musl libc because the included
+libf2c uses the nonstandard type __off64_t. The below patch,
+which is adapted from current libf2c, fixes this.
+
+Felix Janda [mailto:felix.janda@posteo.de]
+
+
+--- a/pmx-2.6.18/libf2c/sysdep1.h
++++ b/pmx-2.6.18/libf2c/sysdep1.h
+@@ -10,7 +10,11 @@
+
+ #ifdef __linux__
+ #define USE_LARGEFILE
++#ifdef __GLIBC__
+ #define OFF_T __off64_t
++#else
++#define OFF_T off_t
++#endif
+ #endif
+
+ #ifdef _AIX43
+
diff --git a/Build/source/utils/pmx/pmx-2.7.0/libf2c/signal_.c b/Build/source/utils/pmx/pmx-2.7.0/libf2c/signal_.c
index 3b0e6cfe98b..d4a2e6eae84 100644
--- a/Build/source/utils/pmx/pmx-2.7.0/libf2c/signal_.c
+++ b/Build/source/utils/pmx/pmx-2.7.0/libf2c/signal_.c
@@ -14,7 +14,11 @@ signal_(integer *sigp, sig_pf proc)
 	int sig;
 	sig = (int)*sigp;
 
-	return (ftnint)signal(sig, proc);
+#ifdef _WIN64
+	return (ftnint)(__int64)signal(sig, proc);
+#else
+	return (ftnint)(long)signal(sig, proc);
+#endif
 	}
 #ifdef __cplusplus
 }
diff --git a/Build/source/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h b/Build/source/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h
index 4c026a240a1..29546db848e 100644
--- a/Build/source/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h
+++ b/Build/source/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h
@@ -10,7 +10,11 @@
 
 #ifdef __linux__
 #define USE_LARGEFILE
+#ifdef __GLIBC__
 #define OFF_T __off64_t
+#else
+#define OFF_T off_t
+#endif
 #endif
 
 #ifdef _AIX43