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160 lines
3.9 KiB
160 lines
3.9 KiB
#! /bin/sh
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# local options: ac_help is the help message that describes them
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# and LOCAL_AC_OPTIONS is the script that interprets them. LOCAL_AC_OPTIONS
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# is a script that's processed with eval, so you need to be very careful to
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# make certain that what you quote is what you want to quote.
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# load in the configuration file
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#
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ac_help='--enable-amalloc Enable memory allocation debugging
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--with-tabstops=N Set tabstops to N characters (default is 4)
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--with-dl=X Use Discount, Extra, or Both types of definition list
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--with-id-anchor Use id= anchors for table-of-contents links
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--with-github-tags Allow `_` and `-` in <> tags
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--with-fenced-code Allow fenced code blocks
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--enable-all-features Turn on all stable optional features
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--shared Build shared libraries (default is static)'
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LOCAL_AC_OPTIONS='
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set=`locals $*`;
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if [ "$set" ]; then
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eval $set
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shift 1
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else
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ac_error=T;
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fi'
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locals() {
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K=`echo $1 | $AC_UPPERCASE`
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case "$K" in
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--SHARED)
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echo TRY_SHARED=T
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;;
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--ENABLE-ALL|--ENABLE-ALL-FEATURES)
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echo WITH_AMALLOC=T
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;;
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--ENABLE-*) enable=`echo $K | sed -e 's/--ENABLE-//' | tr '-' '_'`
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echo WITH_${enable}=T ;;
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esac
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}
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TARGET=markdown
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. ./configure.inc
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AC_INIT $TARGET
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__DL=`echo "$WITH_DL" | $AC_UPPERCASE`
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case "$__DL" in
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EXTRA) AC_DEFINE 'USE_EXTRA_DL' 1 ;;
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DISCOUNT|1|"") AC_DEFINE 'USE_DISCOUNT_DL' 1 ;;
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BOTH) AC_DEFINE 'USE_EXTRA_DL' 1
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AC_DEFINE 'USE_DISCOUNT_DL' 1 ;;
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*) AC_FAIL "Unknown value <$WITH_DL> for --with-dl (want 'discount', 'extra', or 'both')" ;;
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esac
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test "$WITH_FENCED_CODE" && AC_DEFINE "WITH_FENCED_CODE" 1
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test "$WITH_ID_ANCHOR" && AC_DEFINE 'WITH_ID_ANCHOR' 1
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test "$WITH_GITHUB_TAGS" && AC_DEFINE 'WITH_GITHUB_TAGS' 1
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AC_PROG_CC
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test "$TRY_SHARED" && AC_COMPILER_PIC && AC_CC_SHLIBS
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if [ "IS_BROKEN_CC" ]; then
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case "$AC_CC $AC_CFLAGS" in
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*-pedantic*) ;;
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*) # hack around deficiencies in gcc and clang
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#
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AC_DEFINE 'while(x)' 'while( (x) != 0 )'
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AC_DEFINE 'if(x)' 'if( (x) != 0 )'
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if [ "$IS_CLANG" ]; then
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AC_CC="$AC_CC -Wno-implicit-int"
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elif [ "$IS_GCC" ]; then
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AC_CC="$AC_CC -Wno-return-type -Wno-implicit-int"
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fi ;;
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esac
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fi
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AC_PROG ar || AC_FAIL "$TARGET requires ar"
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AC_PROG ranlib
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AC_C_VOLATILE
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AC_C_CONST
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AC_C_INLINE
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AC_SCALAR_TYPES sub hdr
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AC_CHECK_BASENAME
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AC_CHECK_HEADERS sys/types.h pwd.h && AC_CHECK_FUNCS getpwuid
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if AC_CHECK_FUNCS srandom; then
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AC_DEFINE 'INITRNG(x)' 'srandom((unsigned int)x)'
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elif AC_CHECK_FUNCS srand; then
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AC_DEFINE 'INITRNG(x)' 'srand((unsigned int)x)'
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else
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AC_DEFINE 'INITRNG(x)' '(void)1'
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fi
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if AC_CHECK_FUNCS 'bzero((char*)0,0)'; then
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: # Yay
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elif AC_CHECK_FUNCS 'memset((char*)0,0,0)'; then
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AC_DEFINE 'bzero(p,s)' 'memset(p,s,0)'
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else
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AC_FAIL "$TARGET requires bzero or memset"
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fi
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if AC_CHECK_FUNCS random; then
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AC_DEFINE 'COINTOSS()' '(random()&1)'
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elif AC_CHECK_FUNCS rand; then
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AC_DEFINE 'COINTOSS()' '(rand()&1)'
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else
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AC_DEFINE 'COINTOSS()' '1'
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fi
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if AC_CHECK_FUNCS strcasecmp; then
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:
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elif AC_CHECK_FUNCS stricmp; then
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AC_DEFINE strcasecmp stricmp
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else
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AC_FAIL "$TARGET requires either strcasecmp() or stricmp()"
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fi
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if AC_CHECK_FUNCS strncasecmp; then
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:
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elif AC_CHECK_FUNCS strnicmp; then
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AC_DEFINE strncasecmp strnicmp
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else
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AC_FAIL "$TARGET requires either strncasecmp() or strnicmp()"
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fi
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if AC_CHECK_FUNCS fchdir || AC_CHECK_FUNCS getcwd ; then
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AC_SUB 'THEME' ''
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else
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AC_SUB 'THEME' '#'
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fi
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if [ -z "$WITH_TABSTOPS" ]; then
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TABSTOP=4
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elif [ "$WITH_TABSTOPS" -eq 1 ]; then
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TABSTOP=8
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else
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TABSTOP=$WITH_TABSTOPS
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fi
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AC_DEFINE 'TABSTOP' $TABSTOP
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AC_SUB 'TABSTOP' $TABSTOP
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if [ "$WITH_AMALLOC" ]; then
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AC_DEFINE 'USE_AMALLOC' 1
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AC_SUB 'AMALLOC' 'amalloc.o'
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else
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AC_SUB 'AMALLOC' ''
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fi
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[ "$OS_FREEBSD" -o "$OS_DRAGONFLY" ] || AC_CHECK_HEADERS malloc.h
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[ "$WITH_PANDOC_HEADER" ] && AC_DEFINE 'PANDOC_HEADER' '1'
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AC_OUTPUT Makefile version.c mkdio.h
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