Make a new macro, DPKG_C_GCC_ATTRIBUTE.

diff --git a/ChangeLog b/ChangeLog
index 2ee661e2c98eb0e6d9e0c2740cd9602d7d417307..c2c5197885e2684e0474783d3df510de1c810667 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun May 19 06:01:31 CDT 2002 Adam Heath <doogie@debian.org>
+
+  * configure.in, automake/dpkg.m4: Make a new macro, DPKG_C_GCC_ATTRIBUTE.
+
 Sun May 19 05:57:24 CDT 2002 Adam Heath <doogie@debian.org>
 
   * automake/dpkg.m4.  Gah, I hate gcc.  AC_TRY_COMPILE() produces code

diff --git a/automake/dpkg.m4 b/automake/dpkg.m4
index ed5d04e1af9b8921f8bde2fe6d0dd332243f7a14..52edf4720169b1abb89462194d8e448e2a8cb5b0 100644 (file)
--- a/automake/dpkg.m4
+++ b/automake/dpkg.m4
@@ -13,6 +13,17 @@ AC_DEFUN(DPKG_CACHED_TRY_COMPILE,[
  fi
 ])
 
+dnl DPKG_C_GCC_ATTRIBUTE(<short-label>,<cachevar>,<func-params>,<attribute>,<HAVE>,<desc>,[<true-cmds>],[<false-cmds>])
+AC_DEFUN(DPKG_C_GCC_ATTRIBUTE,[
+  DPKG_CACHED_TRY_COMPILE(__attribute__(($1)),dpkg_cv_c_attribute_$2,,
+   [extern int testfunction($3) __attribute__(($4))],
+   AC_MSG_RESULT(yes)
+   AC_DEFINE(HAVE_GNUC25_$5,,$6)
+   $7,
+   AC_MSG_RESULT(no)
+   $8)
+])
+
 dnl DPKG_C_GCC_TRY_WARNS(<warnings>,<cachevar>)
 AC_DEFUN(DPKG_C_GCC_TRY_WARNS,[
  AC_MSG_CHECKING([GCC warning flag(s) $1])

diff --git a/configure.in b/configure.in
index bf69353bf7b965c50c8a2c1c1e8eec53fcab5b82..61aa65a38637529afdddfc4904820b5d9dcdbf65 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -189,31 +189,11 @@ va_list v1,v2;
 v1 = v2;
 ], AC_MSG_RESULT(yes),AC_MSG_ERROR(no))])
 
-DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),dpkg_cv_c_attribute_supported,,
- [extern int testfunction(int x) __attribute__((,,))],
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GNUC25_ATTRIB,,[Define if function attributes a la GCC 2.5 and higher are available.])
-  DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),dpkg_cv_c_attribute_noreturn,,
-   [extern int testfunction(int x) __attribute__((noreturn))],
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(HAVE_GNUC25_NORETURN,,[Define if nonreturning functions a la GCC 2.5 and higher are available.]),
-   AC_MSG_RESULT(no))
-  DPKG_CACHED_TRY_COMPILE(__attribute__((const)),dpkg_cv_c_attribute_const,,
-   [extern int testfunction(int x) __attribute__((const))],
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(HAVE_GNUC25_CONST,,[Define if constant functions a la GCC 2.5 and higher are available.]),
-   AC_MSG_RESULT(no))
-  DPKG_CACHED_TRY_COMPILE(__attribute__((unused)),dpkg_cv_c_attribute_unused,,
-   [extern int testfunction(int x) __attribute__((unused))],
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(HAVE_GNUC25_UNUSED,,[Define if unused variables la GCC 2.5 and higher are available.]),
-   AC_MSG_RESULT(no))
-  DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),dpkg_cv_attribute_format,,
-   [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT,,[Define if printf-format argument lists a la GCC are available.]),
-   AC_MSG_RESULT(no)),
- AC_MSG_RESULT(no))
+DPKG_C_GCC_ATTRIBUTE([,,],supported,[int x],[,,],ATTRIB,[Define if function attributes a la GCC 2.5 and higher are available.],
+  DPKG_C_GCC_ATTRIBUTE(noreturn,noreturn,[int x],noreturn,NORETURN,[Define if nonreturning functions a la GCC 2.5 and higher are available.])
+  DPKG_C_GCC_ATTRIBUTE(const,const,[int x],const,CONST,[Define if constant functions a la GCC 2.5 and higher are available.])
+  DPKG_C_GCC_ATTRIBUTE(unused,unused,[int x],unused,UNUSED,[Define if unused variables la GCC 2.5 and higher are available.])
+  DPKG_C_GCC_ATTRIBUTE(format...,format,[char *y, ...],[format(printf,1,2)],PRINTFFORMAT,[Define if printf-format argument lists a la GCC are available.]))
 
 AC_MSG_CHECKING(whether to use -Werror)
 AC_ARG_WITH(Werror,