--- /dev/null
+From b3df00dcf7332ae9b64f019278af8708c1ced284 Mon Sep 17 00:00:00 2001
+From: Andreas Sturmlechner <asturm@gentoo.org>
+Date: Wed, 16 Jan 2019 21:10:09 +0100
+Subject: [PATCH] Fix build with poppler-0.73
+
+---
+ texk/web2c/luatexdir/image/pdftoepdf.w | 2 +-
+ texk/web2c/luatexdir/lua/lepdflib.cc | 8 ++++----
+ texk/web2c/pdftexdir/pdftosrc.cc | 2 +-
+ 3 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/texk/web2c/luatexdir/image/pdftoepdf.w b/texk/web2c/luatexdir/image/pdftoepdf.w
+index 2f143068..10ed9879 100644
+--- a/texk/web2c/luatexdir/image/pdftoepdf.w
++++ b/texk/web2c/luatexdir/image/pdftoepdf.w
+@@ -29,7 +29,7 @@
+ the functions of poppler, which happens to be written in C++.
+ */
+
+-extern void md5(Guchar *msg, int msgLen, Guchar *digest);
++extern void md5(unsigned char *msg, int msgLen, unsigned char *digest);
+
+ static bool isInit = false;
+
+diff --git a/texk/web2c/luatexdir/lua/lepdflib.cc b/texk/web2c/luatexdir/lua/lepdflib.cc
+index 6b24a39b..87078fc5 100644
+--- a/texk/web2c/luatexdir/lua/lepdflib.cc
++++ b/texk/web2c/luatexdir/lua/lepdflib.cc
+@@ -2867,12 +2867,12 @@ m_poppler_get_GUINT(Attribute,getRevision);
+
+ static int m_Attribute_setRevision(lua_State * L)
+ {
+- Guint i;
++ unsigned int i;
+ udstruct *uin;
+ uin = (udstruct *) luaL_checkudata(L, 1, M_Attribute);
+ if (uin->pd != NULL && uin->pd->pc != uin->pc)
+ pdfdoc_changed_error(L);
+- i = (Guint) luaL_checkint(L, 2);
++ i = (unsigned int) luaL_checkint(L, 2);
+ ((Attribute *) uin->d)->setRevision(i);
+ return 0;
+ }
+@@ -3057,12 +3057,12 @@ static int m_StructElement_getTypeName(lua_State * L)
+
+ static int m_StructElement_setRevision(lua_State * L)
+ {
+- Guint i;
++ unsigned int i;
+ udstruct *uin;
+ uin = (udstruct *) luaL_checkudata(L, 1, M_StructElement);
+ if (uin->pd != NULL && uin->pd->pc != uin->pc)
+ pdfdoc_changed_error(L);
+- i = (Guint) luaL_checkint(L, 2);
++ i = (unsigned int) luaL_checkint(L, 2);
+ ((StructElement *) uin->d)->setRevision(i);
+ return 0;
+ }
+diff --git a/texk/web2c/pdftexdir/pdftosrc.cc b/texk/web2c/pdftexdir/pdftosrc.cc
+index bad1b78f..295c4e66 100644
+--- a/texk/web2c/pdftexdir/pdftosrc.cc
++++ b/texk/web2c/pdftexdir/pdftosrc.cc
+@@ -156,7 +156,7 @@ int main(int argc, char *argv[])
+ Object objStr, obj1, obj2;
+ int nObjects, first, n;
+ int localOffset = 0;
+- Guint firstOffset;
++ unsigned int firstOffset;
+
+ objStr = xref->fetch(e->offset, 0);
+ assert(objStr.isStream());
+--
+2.20.1
+