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Diffstat (limited to 'glib/acglib.m4')
-rw-r--r-- | glib/acglib.m4 | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/glib/acglib.m4 b/glib/acglib.m4 new file mode 100644 index 0000000..4778bfa --- /dev/null +++ b/glib/acglib.m4 @@ -0,0 +1,131 @@ +## Portability defines that help interoperate with classic and modern autoconfs +ifdef([AC_TR_SH],[ +define([GLIB_TR_SH],[AC_TR_SH([$1])]) +define([GLIB_TR_CPP],[AC_TR_CPP([$1])]) +], [ +define([GLIB_TR_SH], + [patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])]) +define([GLIB_TR_CPP], + [patsubst(translit([[$1]], + [*abcdefghijklmnopqrstuvwxyz], + [PABCDEFGHIJKLMNOPQRSTUVWXYZ]), + [[^A-Z0-9_]], [_])]) +]) + +# GLIB_AC_DIVERT_BEFORE_HELP(STUFF) +# --------------------------------- +# Put STUFF early enough so that they are available for $ac_help expansion. +# Handle both classic (<= v2.13) and modern autoconf +AC_DEFUN([GLIB_AC_DIVERT_BEFORE_HELP], +[ifdef([m4_divert_text], [m4_divert_text([NOTICE],[$1])], + [ifdef([AC_DIVERT], [AC_DIVERT([NOTICE],[$1])], + [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl +$1 +AC_DIVERT_POP()])])]) + +dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION]) +AC_DEFUN([GLIB_IF_VAR_EQ],[ + case "$[$1]" in + "[$2]"[)] + [$3] + ;; + *[)] + [$4] + ;; + esac +]) +dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION]) +AC_DEFUN([GLIB_STR_CONTAINS],[ + case "[$1]" in + *"[$2]"*[)] + [$3] + ;; + *[)] + [$4] + ;; + esac +]) +dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING) +AC_DEFUN([GLIB_ADD_TO_VAR],[ + GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]") +]) + +# GLIB_SIZEOF (INCLUDES, TYPE, ALIAS) +# --------------------------------------------------------------- +# The definition here is based of that of AC_CHECK_SIZEOF +AC_DEFUN([GLIB_SIZEOF], +[AS_LITERAL_IF([$3], [], + [AC_FATAL([$0: requires literal arguments])])dnl +AC_CACHE_CHECK([size of $2], AS_TR_SH([glib_cv_sizeof_$3]), +[ # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + _AC_COMPUTE_INT([(long) (sizeof ($2))], + [AS_TR_SH([glib_cv_sizeof_$3])], + [AC_INCLUDES_DEFAULT([$1])], + [AC_MSG_ERROR([cannot compute sizeof ($2), 77])]) +])dnl +AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_sizeof_$3), $AS_TR_SH([glib_cv_sizeof_$3]), + [The size of $3, as computed by sizeof.]) +])# GLIB_SIZEOF + +dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER) +AC_DEFUN([GLIB_BYTE_CONTENTS], +[pushdef([glib_ByteContents], GLIB_TR_SH([glib_cv_byte_contents_$3]))dnl +AC_CACHE_CHECK([byte contents of $5], glib_ByteContents, +[AC_TRY_RUN([#include <stdio.h> +$1 +main() +{ + static $2 tv = $5; + char *p = (char*) &tv; + int i; + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + for (i = 0; i < $4; i++) + fprintf(f, "%s%d", i?",":"", *(p++)); + fprintf(f, "\n"); + exit(0); +}], + [glib_ByteContents=`cat conftestval` dnl'' +], + [glib_ByteContents=no], + [glib_ByteContents=no])]) +AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_byte_contents_$3), [$[]glib_ByteContents], + [Byte contents of $3]) +popdef([glib_ByteContents])dnl +]) + +# GLIB_CHECK_VALUE(SYMBOL, INCLUDES, ACTION-IF-FAIL) +# --------------------------------------------------------------- +AC_DEFUN([GLIB_CHECK_VALUE], +[AC_CACHE_CHECK([value of $1], AS_TR_SH([glib_cv_value_$1]), + [_AC_COMPUTE_INT([$1], AS_TR_SH([glib_cv_value_$1]), [$2], [$3])]) +])dnl + +# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# --------------------------------------------------------------------- +# Try to compile PROGRAM, check for warnings +m4_define([GLIB_CHECK_COMPILE_WARNINGS], +[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl +rm -f conftest.$ac_objext +glib_ac_compile_save="$ac_compile" +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext' +AS_IF([_AC_EVAL_STDERR($ac_compile) && + AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])], + [$2], + [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD +cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD +m4_ifvaln([$3],[$3])dnl]) +ac_compile="$glib_ac_compile_save" +rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl +])# GLIB_CHECK_COMPILE_WARNINGS + +# GLIB_ASSERT_SET(VARIABLE) +# ------------------------- +AC_DEFUN([GLIB_ASSERT_SET], +[if test "x${$1+set}" != "xset" ; then + AC_MSG_ERROR($1 [must be set in cache file when cross-compiling.]) +fi +])dnl |