diff --git a/docs/compile/build_howto_unix.txt b/docs/compile/build_howto_unix.txt
index 488b644..f6438e5 100644
--- a/docs/compile/build_howto_unix.txt
+++ b/docs/compile/build_howto_unix.txt
@@ -1,12 +1,17 @@
-debian,ubuntu :
+* debian,ubuntu :
 
 apt install make gcc zlib1g-dev libcap-dev libnetfilter-queue-dev libmnl-dev libsystemd-dev libluajit2-5.1-dev
 make -C /opt/zapret2 systemd
 
-linux static :
+* linux static :
 
 need any x86_64 classic linux distribution
-dependencies: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config
+
+optionally review "common.inc" for Lua and LuaJIT versions
+
+debian/ubuntu: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config
+fedora: dnf install curl xz bzip2 unzip make gcc glibc-devel glibc-devel.i686 libcap-devel pkg-config
+
 copy directory "builder-linux" somethere with enough free disk space (up to 2G for all toolchains)
 run "get_toolchains.sh"
 select architectures you need or "ALL"
@@ -16,9 +21,7 @@ get static musl bins from "binaries" folder
 "zapret2" is downloaded from github master branch. if you need specific version - download manually to "zapret2" dir
 i586 and riscv64 targets are built with classic PUC Lua
 
-optionally review "common.inc" for Lua and LuaJIT versions
-
-FreeBSD :
+* FreeBSD :
 
 pkg install pkgconf
 pkg search luajit-2
@@ -26,7 +29,7 @@ pkg search luajit-2
 pkg install luajit-2.1.0.20250728
 make -C /opt/zapret2
 
-OpenBSD :
+* OpenBSD :
 
 pkg_add luajit gmake
 gmake -C /opt/zapret2 bsd
diff --git a/docs/compile/builder-linux/common.inc b/docs/compile/builder-linux/common.inc
index 8e97999..7c285a2 100644
--- a/docs/compile/builder-linux/common.inc
+++ b/docs/compile/builder-linux/common.inc
@@ -46,13 +46,25 @@ target_has_luajit()
 	return 1
 }
 
-REQD_H_FILES="/usr/include/x86_64-linux-gnu/sys/queue.h /usr/include/sys/capability.h /usr/include/bits/libc-header-start.h"
+REQD_H_FILES="/usr/include/sys/capability.h /usr/include/bits/libc-header-start.h"
+REQD_QUEUE_1="/usr/include/sys/queue.h"
+REQD_QUEUE_2="/usr/include/x86_64-linux-gnu/sys/queue.h"
 check_h_files()
 {
+	[ ! -f "$REQD_QUEUE_1" -a ! -f  "$REQD_QUEUE_2" ] && {
+		echo "could not find $REQD_QUEUE_1 or $REQD_QUEUE_2"
+		help_pkg
+		exit 10
+	}
 	check_file $REQD_H_FILES
 }
 install_h_files()
 {
+	if [ -f "$REQD_QUEUE_1" ]; then
+		install -Dm644 -t $STAGING_DIR/include/sys $REQD_QUEUE_1
+	elif [ -f "$REQD_QUEUE_2" ]; then
+		install -Dm644 -t $STAGING_DIR/include/sys $REQD_QUEUE_2
+	fi
 	install -Dm644 -t $STAGING_DIR/include/sys $REQD_H_FILES
 }
 
@@ -201,12 +213,18 @@ check_toolchains()
 	}
 }
 
+help_pkg()
+{
+	echo "debian/ubuntu: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config"
+	echo "fedora: dnf install curl xz bzip2 unzip make gcc glibc-devel glibc-devel.i686 libcap-devel pkg-config"
+}
+
 check_prog()
 {
 	while [ -n "$1" ]; do
 		exists $1 || {
 			echo $1 is not available
-			echo "debian/ubuntu: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config"
+			help_pkg
 			exit 10
 		}
 		shift
@@ -217,6 +235,7 @@ check_file()
 	while [ -n "$1" ]; do
 		[ -f "$1" ] || {
 			echo $1 is not available
+			help_pkg
 			exit 10
 		}
 		shift