6 files changed, 35 insertions, 9 deletions
diff --git a/Build/source/texk/detex/ChangeLog b/Build/source/texk/detex/ChangeLog
index 833c4e3a0ae..580f7d60fa7 100644
--- a/Build/source/texk/detex/ChangeLog
+++ b/Build/source/texk/detex/ChangeLog
@@ -1,3 +1,7 @@
+2020-06-16  Akira Kakuto  <kakuto@w32tex.org>
+
+	* detex.l, detex.c: Support old compilers.
+
 2020-06-15  Hironobu Yamashita  <h.y.acetaminophen@gmail.com>
 
 	* Import opendetex-2.8.7.
diff --git a/Build/source/texk/detex/TLpatches/ChangeLog b/Build/source/texk/detex/TLpatches/ChangeLog
index 33e4e868518..23695978a3a 100644
--- a/Build/source/texk/detex/TLpatches/ChangeLog
+++ b/Build/source/texk/detex/TLpatches/ChangeLog
@@ -1,3 +1,11 @@
+2020-06-16  Akira Kakuto  <kakuto@w32tex.org>
+
+	Add patch-01-support-old-compiler.
+
+2020-06-15  Hironobu Yamashita  <h.y.acetaminophen@gmail.com>
+
+	Adapt to opendetex-2.8.7.
+
 2019-02-03  Hironobu Yamashita  <h.y.acetaminophen@gmail.com>
 
 	Adapt to opendetex-2.8.5.
diff --git a/Build/source/texk/detex/TLpatches/TL-Changes b/Build/source/texk/detex/TLpatches/TL-Changes
index d3d38224b27..05b94f8f9f6 100644
--- a/Build/source/texk/detex/TLpatches/TL-Changes
+++ b/Build/source/texk/detex/TLpatches/TL-Changes
@@ -1,4 +1,4 @@
-Changes applied to the opendetex-2.8.5 tree as obtained from:
+Changes applied to the opendetex-2.8.7 tree as obtained from:
 	https://github.com/pkubowicz/opendetex/releases
 
 Renamed:
diff --git a/Build/source/texk/detex/TLpatches/patch-01-support-old-compiler b/Build/source/texk/detex/TLpatches/patch-01-support-old-compiler
new file mode 100644
index 00000000000..d1cd8dce61e
--- /dev/null
+++ b/Build/source/texk/detex/TLpatches/patch-01-support-old-compiler
@@ -0,0 +1,12 @@
+--- detex.l.orig	Mon Jun 15 20:23:15 2020
++++ detex.l	Tue Jun 16 06:09:30 2020
+@@ -732,7 +732,8 @@
+ void
+ IncrLineNo()
+ {
+-	for (char* c=yytext; *c != '\0'; c++) {
++	char *c;
++	for (c=yytext; *c != '\0'; c++) {
+ 		if (*c == '\n') {
+ 			fFileLines[csb]++; fIsColumn0=1;
+ 		}
diff --git a/Build/source/texk/detex/detex-src/detex.c b/Build/source/texk/detex/detex-src/detex.c
index 61e35f07411..42e8f220f75 100644
--- a/Build/source/texk/detex/detex-src/detex.c
+++ b/Build/source/texk/detex/detex-src/detex.c
@@ -87,7 +87,7 @@
 
 #endif /* KPATHSEA */
 
-#line 91 "lex.yy.c"
+#line 90 "lex.yy.c"
 
 #define  YY_INT_ALIGNED short int
 
@@ -1834,9 +1834,9 @@ int				fIsColumn0 = 1;			/* Are we at the begining of a line? */
 int				csb = 0;				/* depth of flex context stack */
 #endif /* FLEX_SCANNER */
 
-#line 1838 "lex.yy.c"
+#line 1837 "lex.yy.c"
 
-#line 1840 "lex.yy.c"
+#line 1839 "lex.yy.c"
 
 #define INITIAL 0
 #define Define 1
@@ -1868,7 +1868,7 @@ int				csb = 0;				/* depth of flex context stack */
  */
 #include <unistd.h>
 #endif
-
+    
 #ifndef YY_EXTRA_TYPE
 #define YY_EXTRA_TYPE void *
 #endif
@@ -2074,7 +2074,7 @@ YY_DECL
 	{
 #line 208 "detex.l"
 
-#line 2078 "lex.yy.c"
+#line 2077 "lex.yy.c"
 
 	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
 		{
@@ -3114,7 +3114,7 @@ YY_RULE_SETUP
 #line 505 "detex.l"
 ECHO;
 	YY_BREAK
-#line 3118 "lex.yy.c"
+#line 3117 "lex.yy.c"
 case YY_STATE_EOF(INITIAL):
 case YY_STATE_EOF(Define):
 case YY_STATE_EOF(Display):
@@ -4335,7 +4335,8 @@ Echo()
 void
 IncrLineNo()
 {
-	for (char* c=yytext; *c != '\0'; c++) {
+	char *c;
+	for (c=yytext; *c != '\0'; c++) {
 		if (*c == '\n') {
 			fFileLines[csb]++; fIsColumn0=1;
 		}
diff --git a/Build/source/texk/detex/detex-src/detex.l b/Build/source/texk/detex/detex-src/detex.l
index 8273afe7a5b..02f6db80546 100644
--- a/Build/source/texk/detex/detex-src/detex.l
+++ b/Build/source/texk/detex/detex-src/detex.l
@@ -732,7 +732,8 @@ Echo()
 void
 IncrLineNo()
 {
-	for (char* c=yytext; *c != '\0'; c++) {
+	char *c;
+	for (c=yytext; *c != '\0'; c++) {
 		if (*c == '\n') {
 			fFileLines[csb]++; fIsColumn0=1;
 		}