diff --git a/configure b/configure
index c66a1fc..a747ebd 100755
--- a/configure
+++ b/configure
@@ -2302,7 +2302,7 @@ PROJ6="no"
 PROJH="no"
 if test "${proj_config_ok}" = yes; then
   PROJ_VERSION=`${PROJ_CONFIG} --modversion`
-  PROJV1=`echo "${PROJ_VERSION}" | cut -c 1`
+  PROJV1=`echo "${PROJ_VERSION}" | cut -d "." -f 1`
   if test "${PROJV1}" -ge 5; then
     PROJ6="yes"
     PROJ_CPPFLAGS="${PROJ_CPPFLAGS} -DHAVE_PROJ_H"
@@ -3509,7 +3509,11 @@ fi
 
 ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -o proj_conf_test proj_conf_test.c ${PROJ_LIBS}
 
+if test "x$cross_compiling" = "xyes"; then
+proj_version="${PROJ_VERSION}"
+else
 proj_version=`./proj_conf_test`
+fi
 
 
 # Check whether --with-proj-share was given.
@@ -3697,44 +3701,21 @@ fi # proj >= 6
 #
 # POSTGIS/PROJ version:
 #
-
-cat > proj_conf_test.c <<_EOCONF
-#include <stdio.h>
-#ifdef HAVE_PROJ_H
-#include <proj.h>
-int main(void) {
-    printf("%d%d%d\n", PROJ_VERSION_MAJOR, PROJ_VERSION_MINOR, PROJ_VERSION_PATCH);
-    return 0;
-}
-#else
-#include <proj_api.h>
-int main(void) {
-    printf("%d\n", PJ_VERSION);
-    return 0;
-}
-#endif
-_EOCONF
-
-# AC_MSG_NOTICE([PKG_LIBS: ${PKG_LIBS}])
-
-${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -o proj_conf_test proj_conf_test.c ${PROJ_LIBS}
-
-proj_version=`./proj_conf_test`
-
-POSTGIS_PROJ_VERSION=`echo $proj_version | cut -c "1,2"`
+PROJ_VERSION_MAJOR=`echo $proj_version | cut -d "." -f 1`
+PROJ_VERSION_MINOR=`echo $proj_version | cut -d "." -f 2`
+POSTGIS_PROJ_VERSION="${PROJ_VERSION_MAJOR}${PROJ_VERSION_MINOR}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: POSTGIS_PROJ_VERSION: ${POSTGIS_PROJ_VERSION}" >&5
 printf "%s\n" "$as_me: POSTGIS_PROJ_VERSION: ${POSTGIS_PROJ_VERSION}" >&6;}
 #AC_SUBST([POSTGIS_PROJ_VERSION],["${PROJV12}"])
 #AC_DEFINE_UNQUOTED([POSTGIS_PROJ_VERSION], [$POSTGIS_PROJ_VERSION], [PROJ library version])
 
-# xxx
+PKG_CPPFLAGS="${PKG_CPPFLAGS} -DPOSTGIS_PROJ_VERSION=${POSTGIS_PROJ_VERSION}"
 if test ${POSTGIS_PROJ_VERSION} -lt 60 ; then
   PKG_CPPFLAGS="${PKG_CPPFLAGS} -DACCEPT_USE_OF_DEPRECATED_PROJ_API_H"
 else
   PKG_CPPFLAGS="${PKG_CPPFLAGS} -DUSE_PROJ_H"
 fi
 
-
 #
 # GEOS:
 #
diff --git a/configure.ac b/configure.ac
index 45de45e..ff38ddc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,7 +58,7 @@ PROJ6="no"
 PROJH="no"
 if test "${proj_config_ok}" = yes; then
   PROJ_VERSION=`${PROJ_CONFIG} --modversion`
-  PROJV1=`echo "${PROJ_VERSION}" | cut -c 1`
+  PROJV1=`echo "${PROJ_VERSION}" | cut -d "." -f 1`
   if test "${PROJV1}" -ge 5; then
     PROJ6="yes"
     PROJ_CPPFLAGS="${PROJ_CPPFLAGS} -DHAVE_PROJ_H"
@@ -173,7 +173,11 @@ fi
 
 ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -o proj_conf_test proj_conf_test.c ${PROJ_LIBS}
 
+if test "x$cross_compiling" = "xyes"; then
+proj_version="${PROJ_VERSION}"
+else
 proj_version=`./proj_conf_test`
+fi
 
 AC_ARG_WITH([proj-share],
     AS_HELP_STRING([--with-proj-share=SHARE_PATH],[the location of proj metadata files]),
@@ -347,43 +351,20 @@ fi # proj >= 6
 #
 # POSTGIS/PROJ version:
 #
-
-[cat > proj_conf_test.c <<_EOCONF
-#include <stdio.h>
-#ifdef HAVE_PROJ_H
-#include <proj.h>
-int main(void) {
-    printf("%d%d%d\n", PROJ_VERSION_MAJOR, PROJ_VERSION_MINOR, PROJ_VERSION_PATCH);
-    return 0;
-}
-#else
-#include <proj_api.h>
-int main(void) {
-    printf("%d\n", PJ_VERSION);
-    return 0;
-}
-#endif
-_EOCONF]
-
-# AC_MSG_NOTICE([PKG_LIBS: ${PKG_LIBS}])
-
-${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -o proj_conf_test proj_conf_test.c ${PROJ_LIBS}
-
-proj_version=`./proj_conf_test`
-
-POSTGIS_PROJ_VERSION=`echo $proj_version | cut -c "1,2"`
+PROJ_VERSION_MAJOR=`echo $proj_version | cut -d "." -f 1`
+PROJ_VERSION_MINOR=`echo $proj_version | cut -d "." -f 2`
+POSTGIS_PROJ_VERSION="${PROJ_VERSION_MAJOR}${PROJ_VERSION_MINOR}"
 AC_MSG_NOTICE([POSTGIS_PROJ_VERSION: ${POSTGIS_PROJ_VERSION}])
 #AC_SUBST([POSTGIS_PROJ_VERSION],["${PROJV12}"])
 #AC_DEFINE_UNQUOTED([POSTGIS_PROJ_VERSION], [$POSTGIS_PROJ_VERSION], [PROJ library version])
 AC_SUBST(POSTGIS_PROJ_VERSION)
-# xxx
+PKG_CPPFLAGS="${PKG_CPPFLAGS} -DPOSTGIS_PROJ_VERSION=${POSTGIS_PROJ_VERSION}"
 if test ${POSTGIS_PROJ_VERSION} -lt 60 ; then
   PKG_CPPFLAGS="${PKG_CPPFLAGS} -DACCEPT_USE_OF_DEPRECATED_PROJ_API_H"
 else
   PKG_CPPFLAGS="${PKG_CPPFLAGS} -DUSE_PROJ_H"
 fi
 
-
 #
 # GEOS:
 #
diff --git a/src/Makevars.ucrt b/src/Makevars.ucrt
index 0c46c1a..1274e36 100644
--- a/src/Makevars.ucrt
+++ b/src/Makevars.ucrt
@@ -85,7 +85,7 @@ LIBSHARPYUV = $(or $(and $(wildcard $(R_TOOLS_SOFT)/lib/libsharpyuv.a),-lsharpyu
 
 PKG_LIBS =  \
 	-L./liblwgeom -llwgeomstatic \
--fopenmp -lgdal -larmadillo -lopenblas -lgfortran -lquadmath -lpq -lpgcommon -lpgport -lodbc32 -lodbccp32 -lblosc -lkea -lhdf5_cpp -lhdf5 -lpoppler -llcms2 -lfreetype -lharfbuzz -lfreetype -llz4 -lpcre2-8 -lxml2 -lopenjp2 -lnetcdf -lmysqlclient -lspatialite -lgeos_c -lgeos -lminizip -lgeos -ljson-c -lgta -lfreexl -lexpat -lssl -lpsapi -lgif -lmfhdf -lhdf5_hl -lcrypto -lportablexdr -ldf -lhdf5 -lsz -lpng16 -lpng -lpoppler -llcms2 -lfreetype -lharfbuzz -lfreetype -llz4 -lpcre2-8 -lpcre -lcurl -lbcrypt -lrtmp -lssl -lssh2 -lidn2 -lunistring -liconv -lgcrypt -lcrypto -lgpg-error -lws2_32 -ltiff -llzma -ljpeg -lz -lcfitsio -lzstd -lwebpdecoder -lwebp $(LIBSHARPYUV) -lsbml-static -lgeotiff -lproj -lsqlite3 -lbz2 -lcrypt32 -lwldap32 -lsecur32
+-fopenmp -lgdal -larmadillo -lopenblas -lgfortran -lquadmath -lpq -lpgcommon -lpgport -lodbc32 -lodbccp32 -lblosc -lkea -lhdf5_cpp -lhdf5 -lpoppler -llcms2 -lfreetype -lharfbuzz -lfreetype -llz4 -lpcre2-8 -lxml2 -lopenjp2 -lnetcdf -lmysqlclient -lspatialite -lgeos_c -lgeos -lminizip -lgeos -ljson-c -lgta -lfreexl -lexpat -lssl -lpsapi -lgif -lmfhdf -lhdf5_hl -lcrypto -lportablexdr -ldf -lhdf5 -lsz -lpng16 -lpng -lpoppler -llcms2 -lfreetype -lharfbuzz -lfreetype -llz4 -lpcre2-8 -lpcre -lproj -lcurl -lbcrypt -lrtmp -lssl -lssh2 -lidn2 -lunistring -liconv -lgcrypt -lcrypto -lgpg-error -lws2_32 -ltiff -llzma -ljpeg -lz -lcfitsio -lzstd -lwebpdecoder -lwebp $(LIBSHARPYUV) -lsbml-static -lgeotiff -lsqlite3 -lbz2 -lcrypt32 -lwldap32 -lsecur32
 
 all: clean winlibs
 
diff --git a/src/postgis_config.h b/src/postgis_config.h
index a88dc8c..df0ee6c 100644
--- a/src/postgis_config.h
+++ b/src/postgis_config.h
@@ -121,7 +121,7 @@
 #define POSTGIS_PGSQL_VERSION 100
 
 /* PROJ library version */
-#define POSTGIS_PROJ_VERSION 91
+/* #define POSTGIS_PROJ_VERSION 91 */
 
 /* PostGIS Raster build date */
 /* #undef POSTGIS_RASTER_BUILD_DATE */