From c1a551aa03b65b045cecc208274ae45f63b63810 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Dec 22 2018 03:48:16 +0000
Subject: build system: configure: explicitly initialize all variables.


---

diff --git a/configure b/configure
index 569bb3b..085ed7a 100755
--- a/configure
+++ b/configure
@@ -51,6 +51,13 @@ init_vars()
 	mb_custom_cfgdefs_args=''
 	mb_custom_cfgdefs_space=''
 
+	mb_vars=$(cat $mb_project_dir/sofort/config.vars | grep -v '^#')
+
+	for mb_var in $mb_vars; do
+		mb_expr=$mb_var='${'$mb_var':-}'
+		eval "$mb_expr"
+	done
+
 	if [ -z "$mb_config" ]; then
 		. $mb_project_dir/config.project || exit 2
 	else
diff --git a/sofort/config.vars b/sofort/config.vars
new file mode 100644
index 0000000..0189c6e
--- /dev/null
+++ b/sofort/config.vars
@@ -0,0 +1,191 @@
+NICKNAME
+SOURCE_DIR
+
+PREFIX
+EXEC_PREFIX
+BINDIR
+SBINDIR
+LIBDIR
+INCLUDEDIR
+OLDINCLUDEDIR
+MANDIR
+DOCDIR
+LIBEXECDIR
+
+SYSCONFDIR
+SHAREDSTATEDIR
+LOCALSTATEDIR
+RUNSTATEDIR
+DATAROOTDIR
+DATADIR
+INFODIR
+LOCALEDIR
+HTMLDIR
+DVIDIR
+PDFDIR
+PSDIR
+
+CC
+CPP
+CXX
+
+BUILD
+HOST
+CCHOST
+CFGHOST
+TARGET
+ARCH
+COMPILER
+TOOLCHAIN
+SYSROOT
+CROSS_COMPILE
+SHELL
+
+CFLAGS
+CFLAGS_DEBUG
+CFLAGS_COMMON
+CFLAGS_CMDLINE
+CFLAGS_CONFIG
+CFLAGS_SYSROOT
+CFLAGS_OS
+CFLAGS_SITE
+CFLAGS_PATH
+CFLAGS_STRICT
+CFLAGS_UTIL
+CFLAGS_LAST
+CFLAGS_ONCE
+
+LDFLAGS
+LDFLAGS_DEBUG
+LDFLAGS_COMMON
+LDFLAGS_CMDLINE
+LDFLAGS_CONFIG
+LDFLAGS_SYSROOT
+LDFLAGS_PATH
+LDFLAGS_STRICT
+LDFLAGS_UTIL
+LDFLAGS_LAST
+LDFLAGS_ONCE
+
+PE_SUBSYSTEM
+PE_IMAGE_BASE
+PE_CONFIG_DEFS
+
+ELF_EH_FRAME
+ELF_HASH_STYLE
+ELF_CONFIG_DEFS
+
+NATIVE_CC
+NATIVE_CC_HOST
+NATIVE_CC_CFGHOST
+NATIVE_CC_CFLAGS
+NATIVE_CC_LDFLAGS
+
+NATIVE_OS
+NATIVE_OS_BITS
+NATIVE_OS_UNDERSCORE
+
+# config
+mb_config
+mb_debug
+mb_require_out_of_tree
+mb_require_source_dir
+
+mb_use_custom_cfgdefs
+mb_use_custom_usrdefs
+
+# flags
+mb_prefix_set
+mb_exec_prefix_set
+mb_bindir_set
+
+# project
+mb_package
+mb_require_out_of_tree
+mb_custom_install_headers
+mb_avoid_version
+
+# pkgconfig
+mb_pkgname
+mb_pkgdesc
+mb_pkgusrc
+mb_pkgrepo
+mb_pkgpsrc
+mb_pkgdurl
+mb_pkgdefs
+mb_pkglibs
+
+# config
+mb_all_static
+mb_all_shared
+mb_disable_frontend
+mb_disable_static
+mb_disable_shared
+
+# misc
+mb_ccstrict
+mb_ldstrict
+mb_program_prefix
+mb_bindir_basename
+mb_git_reference_index
+
+# defaults
+mb_default_build
+mb_default_host
+mb_default_cchost
+mb_default_cfghost
+mb_default_target
+mb_default_arch
+mb_default_compiler
+mb_default_toolchain
+mb_default_sysroot
+mb_default_cross_compile
+mb_default_shell
+
+mb_default_cflags_debug
+mb_default_cflags_common
+mb_default_cflags_cmdline
+mb_default_cflags_config
+mb_default_cflags_sysroot
+mb_default_cflags_os
+mb_default_cflags_site
+mb_default_cflags_path
+mb_default_cflags_strict
+mb_default_cflags_util
+mb_default_cflags_last
+mb_default_cflags_once
+
+mb_default_ldflags_debug
+mb_default_ldflags_common
+mb_default_ldflags_cmdline
+mb_default_ldflags_config
+mb_default_ldflags_sysroot
+mb_default_ldflags_path
+mb_default_ldflags_strict
+mb_default_ldflags_util
+mb_default_ldflags_last
+mb_default_ldflags_once
+
+mb_default_pe_subsystem
+mb_default_pe_image_base
+mb_default_pe_config_defs
+
+mb_default_elf_eh_frame
+mb_default_elf_hash_style
+mb_default_elf_config_defs
+
+mb_default_pkgname
+mb_default_pkgdesc
+mb_default_pkgusrc
+mb_default_pkgrepo
+mb_default_pkgpsrc
+mb_default_pkgdurl
+mb_default_pkgdefs
+mb_default_pkglibs
+
+# cfgtest
+mb_cfgtest_cc
+mb_cfgtest_cflags
+mb_cfgtest_cfgtype
+mb_cfgtest_makevar
+mb_cfgtest_headers