mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 16:39:43 +00:00
2586e727e7
Not all systems have the appropriate pkgconfig files. Fixes https://github.com/libretro/RetroArch/issues/8274
440 lines
10 KiB
Bash
440 lines
10 KiB
Bash
CONFIG_DEFINES=''
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INCLUDE_DIRS=''
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LIBRARY_DIRS=''
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MAKEFILE_DEFINES=''
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PKG_CONF_USED=''
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ASFLAGS="${ASFLAGS:-}"
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CFLAGS="${CFLAGS:-}"
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CXXFLAGS="${CXXFLAGS:-}"
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LDFLAGS="${LDFLAGS:-}"
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PREFIX="${PREFIX:-/usr/local}"
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SHARE_DIR="${SHARE_DIR:-${PREFIX}/share}"
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# add_define:
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# $1 = MAKEFILE or CONFIG
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# $2 = define
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# $3 = value
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add_define()
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{ eval "${1}_DEFINES=\"\${${1}_DEFINES} $2=$3\""; }
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# add_dirs:
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# $1 = INCLUDE or LIBRARY
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# $@ = include or library paths
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add_dirs()
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{ ADD="$1"; LINK="${1%"${1#?}"}"; shift
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while [ $# -gt 0 ]; do
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eval "${ADD}_DIRS=\"\${${ADD}_DIRS} -${LINK}${1}\""
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shift
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done
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eval "${ADD}_DIRS=\"\${${ADD}_DIRS# }\""
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}
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# check_compiler:
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# $1 = language
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# $2 = function in lib
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check_compiler()
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{ if [ "$1" = cxx ]; then
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COMPILER="$CXX"
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FLAGS="$CXXFLAGS"
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TEMP_CODE="$TEMP_CXX"
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TEST_C="extern \"C\" { void $2(void); } int main() { $2(); }"
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else
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COMPILER="$CC"
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FLAGS="$CFLAGS"
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TEMP_CODE="$TEMP_C"
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TEST_C="void $2(void); int main(void) { $2(); return 0; }"
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fi
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}
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# check_enabled:
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# $1 = HAVE_$1 [Disabled feature]
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# $2 = USER_$2 [Enabled feature]
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# $3 = lib
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# $4 = feature
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# $5 = enable lib when true [checked only if non-empty]
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check_enabled()
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{ tmpvar="$(eval "printf %s \"\$HAVE_$1\"")"
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setval="$(eval "printf %s \"\$HAVE_$2\"")"
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if [ "$tmpvar" != 'no' ]; then
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if [ "$setval" != 'no' ] && [ "${5:-}" = 'true' ]; then
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eval "HAVE_$2=yes"
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fi
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return 0
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fi
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tmpval="$(eval "printf %s \"\$USER_$2\"")"
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if [ "$tmpval" != 'yes' ]; then
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if [ "$setval" != 'no' ]; then
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eval "HAVE_$2=no"
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if [ "${5:-}" != 'true' ]; then
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die : "Notice: $4 disabled, $3 support will also be disabled."
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fi
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fi
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return 0
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fi
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die 1 "Error: $4 disabled and forced to build with $3 support."
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}
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# check_lib:
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# Compiles a simple test program to check if a library is available.
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# $1 = language
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# $2 = HAVE_$2
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# $3 = lib
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# $4 = function in lib [checked only if non-empty]
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# $5 = extralibs [checked only if non-empty]
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# $6 = headers [checked only if non-empty]
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# $7 = include directory [checked only if non-empty]
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# $8 = critical error message [checked only if non-empty]
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check_lib()
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{ tmpval="$(eval "printf %s \"\$HAVE_$2\"")"
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[ "$tmpval" = 'no' ] && return 0
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check_compiler "$1" "$4"
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if [ "$4" ]; then
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MSG="Checking function $4 in"
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if [ "$6" ]; then
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printf %s\\n "$6" "int main(void) { void *p = (void*)$4; return 0; }" > "$TEMP_CODE"
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else
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printf %s\\n "$TEST_C" > "$TEMP_CODE"
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fi
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else
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MSG='Checking existence of'
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printf %s\\n 'int main(void) { return 0; }' > "$TEMP_CODE"
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fi
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val="$2"
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lib="${3% }"
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include="${7:-}"
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error="${8:-}"
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answer='no'
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printf %s "$MSG $lib"
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eval "set -- $INCLUDE_DIRS $LIBRARY_DIRS $5 $FLAGS $LDFLAGS $lib"
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"$COMPILER" -o "$TEMP_EXE" "$TEMP_CODE" "$@" >>config.log 2>&1 && answer='yes'
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printf %s\\n " ... $answer"
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if [ "$answer" = 'yes' ] && [ "$include" ]; then
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answer='no'
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eval "set -- $INCLUDES"
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for dir do
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[ "$answer" = 'yes' ] && break
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printf %s "Checking existence of /$dir/$include"
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if [ -d "/$dir/$include" ]; then
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eval "${val}_CFLAGS=\"-I/$dir/$include\""
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answer='yes'
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fi
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printf %s\\n " ... $answer"
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done
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fi
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eval "HAVE_$val=\"$answer\""
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rm -f -- "$TEMP_CODE" "$TEMP_EXE"
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if [ "$answer" = 'no' ]; then
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[ "$error" ] && die 1 "$error"
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setval="$(eval "printf %s \"\$USER_$val\"")"
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if [ "$setval" = 'yes' ]; then
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die 1 "Forced to build with library $lib, but cannot locate. Exiting ..."
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fi
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else
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eval "${val}_LIBS=\"$lib\""
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PKG_CONF_USED="$PKG_CONF_USED $val"
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fi
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return 0
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}
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# check_pkgconf:
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# If available uses $PKG_CONF_PATH to find a library.
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# $1 = HAVE_$1
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# $2 = package ['package' or 'package package1 package2', $1 = name]
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# $3 = version [checked only if non-empty]
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# $4 = critical error message [checked only if non-empty]
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# $5 = force check_lib when true [checked only if non-empty, set by check_val]
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check_pkgconf()
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{ tmpval="$(eval "printf %s \"\$HAVE_$1\"")"
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eval "TMP_$1=\$tmpval"
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[ "$tmpval" = 'no' ] && return 0
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ECHOBUF=''
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[ "${3:-}" ] && ECHOBUF=" >= ${3##* }"
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pkg="${2%% *}"
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MSG='Checking presence of package'
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[ "$PKG_CONF_PATH" = "none" ] && {
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eval "HAVE_$1=no"
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eval "${1#HAVE_}_VERSION=0.0"
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printf %s\\n "$MSG $pkg$ECHOBUF ... no"
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return 0
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}
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val="$1"
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ver="${3:-0.0}"
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err="${4:-}"
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lib="${5:-}"
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answer='no'
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version='no'
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eval "set -- ${2#* }"
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for pkgnam do
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[ "$answer" = 'yes' ] && break
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printf %s "$MSG $pkgnam$ECHOBUF"
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eval "set -- $ver"
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for pkgver do
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if "$PKG_CONF_PATH" --atleast-version="$pkgver" "$pkgnam"; then
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answer='yes'
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version="$("$PKG_CONF_PATH" --modversion "$pkgnam")"
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eval "${val}_CFLAGS=\"$("$PKG_CONF_PATH" --cflags "$pkgnam")\""
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eval "${val}_LIBS=\"$("$PKG_CONF_PATH" --libs "$pkgnam")\""
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eval "${val}_VERSION=\"$pkgver\""
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break
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fi
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done
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printf %s\\n " ... $version"
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done
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eval "HAVE_$val=\"$answer\""
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if [ "$answer" = 'no' ]; then
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[ "$lib" != 'true' ] || return 0
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[ "$err" ] && die 1 "$err"
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setval="$(eval "printf %s \"\$USER_$val\"")"
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if [ "$setval" = 'yes' ]; then
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die 1 "Forced to build with package $pkg, but cannot locate. Exiting ..."
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fi
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else
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PKG_CONF_USED="$PKG_CONF_USED $val"
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fi
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}
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# check_header:
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# $1 = HAVE_$1
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# $@ = header files
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check_header()
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{ tmpval="$(eval "printf %s \"\$HAVE_$1\"")"
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[ "$tmpval" = 'no' ] && return 0
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rm -f -- "$TEMP_C"
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val="$1"
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header="$2"
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shift
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for head do
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CHECKHEADER="$head"
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printf %s\\n "#include <$head>" >> "$TEMP_C"
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done
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printf %s\\n "int main(void) { return 0; }" >> "$TEMP_C"
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answer='no'
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printf %s "Checking presence of header file $CHECKHEADER"
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eval "set -- $INCLUDE_DIRS"
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"$CC" -o "$TEMP_EXE" "$TEMP_C" "$@" >>config.log 2>&1 && answer='yes'
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eval "HAVE_$val=\"$answer\""
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printf %s\\n " ... $answer"
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rm -f -- "$TEMP_C" "$TEMP_EXE"
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setval="$(eval "printf %s \"\$USER_$val\"")"
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if [ "$setval" = 'yes' ] && [ "$answer" = 'no' ]; then
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die 1 "Build assumed that $header exists, but cannot locate. Exiting ..."
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fi
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}
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# check_macro:
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# $1 = HAVE_$1
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# $2 = macro name
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# $3 = header name [included only if non-empty]
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check_macro()
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{ tmpval="$(eval "printf %s \"\$HAVE_$1\"")"
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[ "$tmpval" = 'no' ] && return 0
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header_include=''
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ECHOBUF=''
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if [ "${3:-}" ]; then
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header_include="#include <$3>"
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ECHOBUF=" in $3"
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fi
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cat << EOF > "$TEMP_C"
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$header_include
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#ifndef $2
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#error $2 is not defined
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#endif
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int main(void) { return 0; }
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EOF
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answer='no'
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val="$1"
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macro="$2"
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printf %s "Checking presence of predefined macro $macro$ECHOBUF"
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eval "set -- $CFLAGS $INCLUDE_DIRS"
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"$CC" -o "$TEMP_EXE" "$TEMP_C" "$@" >>config.log 2>&1 && answer='yes'
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eval "HAVE_$val=\"$answer\""
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printf %s\\n " ... $answer"
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rm -f -- "$TEMP_C" "$TEMP_EXE"
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setval="$(eval "printf %s \"\$USER_$val\"")"
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if [ "$setval" = 'yes' ] && [ "$answer" = 'no' ]; then
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die 1 "Build assumed that $macro is defined, but it's not. Exiting ..."
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fi
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}
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# check_switch:
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# $1 = language
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# $2 = HAVE_$2
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# $3 = switch
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# $4 = critical error message [checked only if non-empty]
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check_switch()
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{ check_compiler "$1" ''
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printf %s\\n 'int main(void) { return 0; }' > "$TEMP_CODE"
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answer='no'
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printf %s "Checking for availability of switch $3 in $COMPILER"
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"$COMPILER" -o "$TEMP_EXE" "$TEMP_CODE" "$3" >>config.log 2>&1 && answer='yes'
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eval "HAVE_$2=\"$answer\""
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printf %s\\n " ... $answer"
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rm -f -- "$TEMP_CODE" "$TEMP_EXE"
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if [ "$answer" = 'no' ] && [ "${4:-}" ]; then
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die 1 "$4"
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fi
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}
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# check_val:
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# Uses check_pkgconf to find a library and falls back to check_lib if false.
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# $1 = language
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# $2 = HAVE_$2
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# $3 = lib
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# $4 = include directory [checked only if non-empty]
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# $5 = package
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# $6 = version [checked only if non-empty]
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# $7 = critical error message [checked only if non-empty]
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# $8 = force check_lib when true [checked only if non-empty]
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check_val()
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{ check_pkgconf "$2" "$5" "${6:-}" "${7:-}" "${8:-}"
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[ "$PKG_CONF_PATH" = "none" ] || [ "${8:-}" = true ] || return 0
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tmpval="$(eval "printf %s \"\$HAVE_$2\"")"
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oldval="$(eval "printf %s \"\$TMP_$2\"")"
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if [ "$tmpval" = 'no' ] && [ "$oldval" != 'no' ]; then
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eval "HAVE_$2=auto"
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check_lib "$1" "$2" "$3" '' '' '' "${4:-}" "${7:-}"
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fi
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}
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create_config_header()
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{ outfile="$1"; shift
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printf %s\\n "Creating config header: $outfile"
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name="$(printf %s "QB_${outfile}__" | tr '.[a-z]' '_[A-Z]')"
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{ printf %s\\n "#ifndef $name" "#define $name" '' \
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"#define PACKAGE_NAME \"$PACKAGE_NAME\""
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while [ $# -gt 0 ]; do
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case "$(eval "printf %s \"\$HAVE_$1\"")" in
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'yes')
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n='0'
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c89_build="$(eval "printf %s \"\$C89_$1\"")"
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cxx_build="$(eval "printf %s \"\$CXX_$1\"")"
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if [ "$c89_build" = 'no' ]; then
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n=$(($n+1))
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printf %s\\n '#if __cplusplus || __STDC_VERSION__ >= 199901L'
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fi
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if [ "$cxx_build" = 'no' ]; then
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n=$(($n+1))
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printf %s\\n '#ifndef CXX_BUILD'
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fi
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printf %s\\n "#define HAVE_$1 1"
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while [ $n != '0' ]; do
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n=$(($n-1))
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printf %s\\n '#endif'
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done
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;;
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'no') printf %s\\n "/* #undef HAVE_$1 */";;
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esac
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shift
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done
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eval "set -- $CONFIG_DEFINES"
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for VAR do
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printf %s\\n "#define ${VAR%%=*} ${VAR#*=}"
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done
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printf %s\\n '#endif'
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} > "$outfile"
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}
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create_config_make()
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{ outfile="$1"; shift
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printf %s\\n "Creating make config: $outfile"
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{ if [ "$HAVE_CC" = 'yes' ]; then
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printf %s\\n "CC = $CC"
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if [ "${CFLAGS}" ]; then
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printf %s\\n "CFLAGS = $CFLAGS"
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fi
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fi
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if [ "$HAVE_CXX" = 'yes' ]; then
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printf %s\\n "CXX = $CXX"
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if [ "${CXXFLAGS}" ]; then
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printf %s\\n "CXXFLAGS = $CXXFLAGS"
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fi
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fi
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printf %s\\n "WINDRES = $WINDRES" \
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"MOC = $MOC" \
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"ASFLAGS = $ASFLAGS" \
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"LDFLAGS = $LDFLAGS" \
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"INCLUDE_DIRS = $INCLUDE_DIRS" \
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"LIBRARY_DIRS = $LIBRARY_DIRS" \
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"PACKAGE_NAME = $PACKAGE_NAME" \
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"BUILD = $BUILD" \
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"PREFIX = $PREFIX"
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while [ $# -gt 0 ]; do
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case "$(eval "printf %s \"\$HAVE_$1\"")" in
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'yes')
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n='0'
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c89_build="C89_$1"
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cxx_build="CXX_$1"
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for build in "$c89_build" "$cxx_build"; do
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if [ "$(eval "printf %s \"\$$build\"")" = 'no' ]; then
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n=$(($n+1))
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printf %s\\n "ifneq (\$(${build%%_*}_BUILD),1)"
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fi
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done
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printf %s\\n "HAVE_$1 = 1"
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while [ $n != '0' ]; do
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n=$(($n-1))
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printf %s\\n 'endif'
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done
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;;
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'no') printf %s\\n "HAVE_$1 = 0";;
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esac
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case "$PKG_CONF_USED" in
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*$1*)
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FLAG="$(eval "printf %s \"\$$1_CFLAGS\"")"
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LIBS="$(eval "printf %s \"\$$1_LIBS\"")"
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[ "${FLAG}" ] && printf %s\\n "$1_CFLAGS = ${FLAG%"${FLAG##*[! ]}"}"
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[ "${LIBS}" ] && printf %s\\n "$1_LIBS = ${LIBS%"${LIBS##*[! ]}"}"
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;;
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esac
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shift
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done
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eval "set -- $MAKEFILE_DEFINES"
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for VAR do
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printf %s\\n "${VAR%%=*} = ${VAR#*=}"
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done
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} > "$outfile"
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}
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. qb/config.libs.sh
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