build: use meson for version info

contrib/fedora/rpm/build.sh

@@ -76,14 +76,7 @@ abs_path() {
 }
 
 get_version() {
-    local major minor micro
+    grep -E -m1 '^\s+version:' "$GITDIR/meson.build" | cut -d"'" -f2
-    local F="${1:-"$GITDIR/configure.ac"}"
-
-    vars="$(sed -n 's/^m4_define(\[nm_\(major\|minor\|micro\)_version\], *\[\([0-9]\+\)\]) *$/local \1='\''\2'\''/p' "$F" 2>/dev/null)"
-    eval "$vars"
-
-    [[ -n "$major" && -n "$minor" && "$micro" ]] || return 1
-    echo "$major.$minor.$micro"
 }
 
 write_changelog() {

contrib/fedora/rpm/configure-for-system.sh

@@ -44,14 +44,7 @@ usage() {
 }
 
 get_version() {
-    local major minor micro
+    grep -E -m1 '^\s+version:' meson.build | cut -d"'" -f2
-    local F="./configure.ac"
-
-    vars="$(sed -n 's/^m4_define(\[nm_\(major\|minor\|micro\)_version\], *\[\([0-9]\+\)\]) *$/local \1='\''\2'\''/p' "$F" 2>/dev/null)"
-    eval "$vars"
-
-    [[ -n "$major" && -n "$minor" && "$micro" ]] || return 1
-    echo "$major.$minor.$micro"
 }
 
 bool() {

contrib/fedora/rpm/release.sh

@@ -94,9 +94,9 @@ do_command() {
 }
 
 parse_version() {
-    local MAJ="$(sed -n '1,20 s/^m4_define(\[nm_major_version\], \[\([0-9]\+\)\])$/\1/p' ./configure.ac)"
+    local VERSION=$(grep -E -m1 '^\s+version:' "$GITDIR/meson.build" \
-    local MIN="$(sed -n '1,20 s/^m4_define(\[nm_minor_version\], \[\([0-9]\+\)\])$/\1/p' ./configure.ac)"
+                    | cut -d"'" -f2 \
-    local MIC="$(sed -n '1,20 s/^m4_define(\[nm_micro_version\], \[\([0-9]\+\)\])$/\1/p' ./configure.ac)"
+                    | sed 's/\./ /g')
 
     re='^(0|[1-9][0-9]*) (0|[1-9][0-9]*) (0|[1-9][0-9]*)$'
     [[ "$MAJ $MIN $MIC" =~ $re ]] || return 1