From 79aaf8659390850d570a96a764d8b7f29557ce6a Mon Sep 17 00:00:00 2001
From: Prateek Sunal <prtksunal@gmail.com>
Date: Mon, 23 Oct 2023 19:54:48 +0530
Subject: [PATCH] [FIX] #1549 Configure Script (#1574)

* fix: #1549 backticks

* fix: use single equal to
---
 linux/configure.ac | 18 +++++++++---------
 mac/configure.ac   | 18 +++++++++---------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/linux/configure.ac b/linux/configure.ac
index d6080cd13..2bc47a34e 100644
--- a/linux/configure.ac
+++ b/linux/configure.ac
@@ -15,7 +15,7 @@ AC_PROG_MAKE_SET
 
 #Checks for "pkg-config" utility
 AC_MSG_CHECKING([pkg-config m4 macros])
-if test m4_ifdef([PKG_CHECK_MODULES], [yes], [no]) == yes; then
+if test m4_ifdef([PKG_CHECK_MODULES], [yes], [no]) = yes; then
 	AC_MSG_RESULT([yes]);
 else
 	AC_MSG_RESULT([no]);
@@ -140,21 +140,21 @@ AS_IF([ test x$hardsubx = xtrue && test $HAS_AVUTIL -gt 0 ], [AC_MSG_NOTICE(avut
 AS_IF([ test x$hardsubx = xtrue && test ! $HAS_AVUTIL -gt 0 ], [AC_MSG_ERROR(avutil library not found. Please install the avutil library before proceeding)])
 AS_IF([ test x$hardsubx = xtrue && test $HAS_SWSCALE -gt 0 ], [AC_MSG_NOTICE(swscale library found)])
 AS_IF([ test x$hardsubx = xtrue && test ! $HAS_SWSCALE -gt 0 ], [AC_MSG_ERROR(swscale library not found. Please install the swscale library before proceeding)])
-AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_TESSERACT -gt 0 ], [TESS_VERSION=`tesseract --version 2>&1 | grep tesseract` && AC_MSG_NOTICE(tesseract library found... $TESS_VERSION)])
+AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_TESSERACT -gt 0 ], [TESS_VERSION=$(tesseract --version 2>&1 | grep tesseract) && AC_MSG_NOTICE(tesseract library found... $TESS_VERSION)])
 AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test ! $HAS_TESSERACT -gt 0 ], [AC_MSG_ERROR(tesserect library not found. Please install the tesseract library before proceeding)])
-AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_LEPT -gt 0 ], [LEPT_VERSION=`tesseract --version 2>&1 | grep leptonica` && AC_MSG_NOTICE(leptonica library found... $LEPT_VERSION)])
+AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_LEPT -gt 0 ], [LEPT_VERSION=$(tesseract --version 2>&1 | grep leptonica) && AC_MSG_NOTICE(leptonica library found... $LEPT_VERSION)])
 AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test ! $HAS_LEPT -gt 0 ], [AC_MSG_ERROR(leptonica library not found. Please install the leptonica library before proceeding)])
 
 #AM_CONDITIONAL(s) for setting values to enable/disable flags in Makefile.am
 AM_CONDITIONAL(HARDSUBX_IS_ENABLED, [ test x$hardsubx = xtrue ])
 AM_CONDITIONAL(OCR_IS_ENABLED, [ test x$ocr = xtrue || test x$hardsubx = xtrue ])
 AM_CONDITIONAL(FFMPEG_IS_ENABLED, [ test x$ffmpeg = xtrue ])
-AM_CONDITIONAL(TESSERACT_PRESENT, [ test ! -z  `pkg-config --libs-only-l --silence-errors tesseract` ])
-AM_CONDITIONAL(TESSERACT_PRESENT_RPI, [ test -d "/usr/include/tesseract" && test `ls -A /usr/include/tesseract | wc -l` -gt 0 ])
-AM_CONDITIONAL(SYS_IS_LINUX, [ test `uname -s` = "Linux"])
-AM_CONDITIONAL(SYS_IS_MAC, [ test `uname -s` = "Darwin"])
-AM_CONDITIONAL(SYS_IS_APPLE_SILICON, [ test `uname -a | awk '{print $NF}'` = "arm64" ])
-AM_CONDITIONAL(SYS_IS_64_BIT,[test `getconf LONG_BIT` = "64"])
+AM_CONDITIONAL(TESSERACT_PRESENT, [ test ! -z  $(pkg-config --libs-only-l --silence-errors tesseract) ])
+AM_CONDITIONAL(TESSERACT_PRESENT_RPI, [ test -d "/usr/include/tesseract" && test $(ls -A /usr/include/tesseract | wc -l) -gt 0 ])
+AM_CONDITIONAL(SYS_IS_LINUX, [ test $(uname -s) = "Linux"])
+AM_CONDITIONAL(SYS_IS_MAC, [ test $(uname -s) = "Darwin"])
+AM_CONDITIONAL(SYS_IS_APPLE_SILICON, [ test $(uname -a | awk '{print $NF}') = "arm64" ])
+AM_CONDITIONAL(SYS_IS_64_BIT,[test $(getconf LONG_BIT) = "64"])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
diff --git a/mac/configure.ac b/mac/configure.ac
index 53b841d90..2ddf6dd6d 100644
--- a/mac/configure.ac
+++ b/mac/configure.ac
@@ -15,7 +15,7 @@ AC_PROG_MAKE_SET
 
 #Checks for "pkg-config" utility
 AC_MSG_CHECKING([pkg-config m4 macros])
-if test m4_ifdef([PKG_CHECK_MODULES], [yes], [no]) == yes; then
+if test m4_ifdef([PKG_CHECK_MODULES], [yes], [no]) = yes; then
 	AC_MSG_RESULT([yes]);
 else
 	AC_MSG_RESULT([no]);
@@ -139,21 +139,21 @@ AS_IF([ test x$hardsubx = xtrue && test $HAS_AVUTIL -gt 0 ], [AC_MSG_NOTICE(avut
 AS_IF([ test x$hardsubx = xtrue && test ! $HAS_AVUTIL -gt 0 ], [AC_MSG_ERROR(avutil library not found. Please install the avutil library before proceeding)])
 AS_IF([ test x$hardsubx = xtrue && test $HAS_SWSCALE -gt 0 ], [AC_MSG_NOTICE(swscale library found)])
 AS_IF([ test x$hardsubx = xtrue && test ! $HAS_SWSCALE -gt 0 ], [AC_MSG_ERROR(swscale library not found. Please install the swscale library before proceeding)])
-AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_TESSERACT -gt 0 ], [TESS_VERSION=`tesseract --version 2>&1 | grep tesseract` && AC_MSG_NOTICE(tesseract library found... $TESS_VERSION)])
+AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_TESSERACT -gt 0 ], [TESS_VERSION=$(tesseract --version 2>&1 | grep tesseract) && AC_MSG_NOTICE(tesseract library found... $TESS_VERSION)])
 AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test ! $HAS_TESSERACT -gt 0 ], [AC_MSG_ERROR(tesserect library not found. Please install the tesseract library before proceeding)])
-AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_LEPT -gt 0 ], [LEPT_VERSION=`tesseract --version 2>&1 | grep leptonica` && AC_MSG_NOTICE(leptonica library found... $LEPT_VERSION)])
+AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test $HAS_LEPT -gt 0 ], [LEPT_VERSION=$(tesseract --version 2>&1 | grep leptonica) && AC_MSG_NOTICE(leptonica library found... $LEPT_VERSION)])
 AS_IF([ (test x$ocr = xtrue || test x$hardsubx = xtrue) && test ! $HAS_LEPT -gt 0 ], [AC_MSG_ERROR(leptonica library not found. Please install the leptonica library before proceeding)])
 
 #AM_CONDITIONAL(s) for setting values to enable/disable flags in Makefile.am
 AM_CONDITIONAL(HARDSUBX_IS_ENABLED, [ test x$hardsubx = xtrue ])
 AM_CONDITIONAL(OCR_IS_ENABLED, [ test x$ocr = xtrue || test x$hardsubx = xtrue ])
 AM_CONDITIONAL(FFMPEG_IS_ENABLED, [ test x$ffmpeg = xtrue ])
-AM_CONDITIONAL(TESSERACT_PRESENT, [ test ! -z  `pkg-config --libs-only-l --silence-errors tesseract` ])
-AM_CONDITIONAL(TESSERACT_PRESENT_RPI, [ test -d "/usr/include/tesseract" && test `ls -A /usr/include/tesseract | wc -l` -gt 0 ])
-AM_CONDITIONAL(SYS_IS_LINUX, [ test `uname -s` = "Linux"])
-AM_CONDITIONAL(SYS_IS_MAC, [ test `uname -s` = "Darwin"])
-AM_CONDITIONAL(SYS_IS_APPLE_SILICON, [ test `uname -a | awk '{print $NF}'` = "arm64" ])
-AM_CONDITIONAL(SYS_IS_64_BIT,[test `getconf LONG_BIT` = "64"])
+AM_CONDITIONAL(TESSERACT_PRESENT, [ test ! -z  $(pkg-config --libs-only-l --silence-errors tesseract) ])
+AM_CONDITIONAL(TESSERACT_PRESENT_RPI, [ test -d "/usr/include/tesseract" && test $(ls -A /usr/include/tesseract | wc -l) -gt 0 ])
+AM_CONDITIONAL(SYS_IS_LINUX, [ test $(uname -s) = "Linux"])
+AM_CONDITIONAL(SYS_IS_MAC, [ test $(uname -s) = "Darwin"])
+AM_CONDITIONAL(SYS_IS_APPLE_SILICON, [ test $(uname -a | awk '{print $NF}') = "arm64" ])
+AM_CONDITIONAL(SYS_IS_64_BIT,[test $(getconf LONG_BIT) = "64"])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT