vcpkg/ports/libmagic/0001-Use-libtre.patch

From e6e59f41c082be94c4fef007e276b1dffe7dc240 Mon Sep 17 00:00:00 2001
From: Long Nguyen <nguyen.long.908132@gmail.com>
Date: Sat, 8 May 2021 19:28:01 +0700
Subject: [PATCH 01/14] Use libtre

---
 configure.ac    | 2 +-
 src/Makefile.am | 2 +-
 src/file.h      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 02eac8f..b05c334 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,7 +185,7 @@ if test "$enable_libseccomp" != "no"; then
     AC_CHECK_LIB(seccomp, seccomp_init)
 fi
 if test "$MINGW" = 1; then
-  AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW]))
+  AC_SEARCH_LIBS(tre_regexec,tre,,AC_MSG_ERROR([libtre is required to build file(1) with MinGW]))
 fi
 
 dnl See if we are cross-compiling
diff --git a/src/Makefile.am b/src/Makefile.am
index 3f67f2c..34781b9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -13,7 +13,7 @@ libmagic_la_SOURCES = buffer.c magic.c apprentice.c softmagic.c ascmagic.c \
 	file_opts.h elfclass.h mygetopt.h cdf.c cdf_time.c readcdf.c cdf.h
 libmagic_la_LDFLAGS = -no-undefined -version-info 1:0:0
 if MINGW
-MINGWLIBS = -lgnurx -lshlwapi
+MINGWLIBS = -lshlwapi
 else
 MINGWLIBS =
 endif
diff --git a/src/file.h b/src/file.h
index c548e97..299ac0c 100644
--- a/src/file.h
+++ b/src/file.h
@@ -79,7 +79,7 @@
 #include <stdio.h>	/* Include that here, to make sure __P gets defined */
 #include <errno.h>
 #include <fcntl.h>	/* For open and flags */
-#include <regex.h>
+#include <tre/regex.h>
 #include <time.h>
 #include <sys/types.h>
 #ifndef WIN32
-- 
2.29.2.windows.2