[configure.ac] C code starting with # (preprocessor directives) must not

be indented.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@9720 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 60 insertions, 57 deletions

diff --git a/configure.ac b/configure.ac
index 7ca705741..0bf46dad9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,8 @@
 dnl Process this file with autoconf to produce a configure script.
 
+dnl WARNING! C code starting with # (preprocessor directives) must not
+dnl be indented!
+
 AC_COPYRIGHT([
 Copyright 1999-2015 Free Software Foundation, Inc.
 Contributed by the AriC and Caramel projects, INRIA.
@@ -529,17 +532,17 @@ dnl In particular fat builds are broken in GMP 4.3.2 and GMP 5.0.0
 dnl (at least on 64-bit Core 2 under Linux),
 dnl see http://gmplib.org/list-archives/gmp-bugs/2011-August/002345.html.
 if test -z "$enable_mini_gmp" ; then
-   AC_MSG_CHECKING(for recent GMP)
-   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-   #include "gmp.h"
-   #if (__GNU_MP_VERSION*100+__GNU_MP_VERSION_MINOR*10 < 420)
-   # error "min GMP version is 4.2.0"
-   error
-   #endif
-   ]])],[AC_MSG_RESULT(yes)],[
-    AC_MSG_RESULT(no)
-    AC_MSG_ERROR([GMP 4.2.0 or newer is required])
-   ])
+  AC_MSG_CHECKING(for recent GMP)
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include "gmp.h"
+#if (__GNU_MP_VERSION*100+__GNU_MP_VERSION_MINOR*10 < 420)
+# error "min GMP version is 4.2.0"
+error
+#endif
+  ]])],[AC_MSG_RESULT(yes)],[
+   AC_MSG_RESULT(no)
+   AC_MSG_ERROR([GMP 4.2.0 or newer is required])
+])
 fi
 
 dnl Check if gmp.h is usable at link time; this may detect errors such as
@@ -613,52 +616,52 @@ dnl WARNING! LD_RUN_PATH is not taken into account by the GNU gold ld,
 dnl e.g. from binutils-gold 2.22-5 under Debian; see
 dnl   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660813
 if test -z "$enable_mini_gmp" ; then
-   saved_LD_RUN_PATH="$LD_RUN_PATH"
-   LD_RUN_PATH="${LD_RUN_PATH:+$LD_RUN_PATH$PATH_SEPARATOR}$gmp_lib_path"
-   export LD_RUN_PATH
-   AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-   #include <stdio.h>
-   #include <string.h>
-   #include "gmp.h"
-   ]], [[
-     char buffer[100];
-     sprintf (buffer, "%d.%d.%d", __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR,
-	      __GNU_MP_VERSION_PATCHLEVEL);
-     printf ("(%s/%s) ", buffer, gmp_version);
-     fflush (stdout);
-     /* Also put information in config.log (stderr) */
-     fprintf (stderr, "gmp.h: %s / libgmp: %s\n", buffer, gmp_version);
-     if (strcmp (buffer, gmp_version) == 0)
-       return 0;
-     if (__GNU_MP_VERSION_PATCHLEVEL != 0)
-       return 1;
-     sprintf (buffer, "%d.%d", __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR);
-     return (strcmp (buffer, gmp_version) != 0) ? 1 : 0;
-   ]])],
-      [AC_MSG_RESULT(yes)
-       MPFR_CHECK_GMP
-       MPFR_CHECK_DBL2INT_BUG
-       MPFR_CHECK_PRINTF_SPEC],
-      [AC_MSG_RESULT(no)
-       AC_MSG_WARN([==========================================================])
-       AC_MSG_WARN(['gmp.h' and 'libgmp' seem to have different versions or])
-       AC_MSG_WARN([we cannot run a program linked with GMP (if you cannot])
-       AC_MSG_WARN([see the version numbers above). A cause may be different])
-       AC_MSG_WARN([GMP versions with different ABI's or the use of --with-gmp])
-       AC_MSG_WARN([or --with-gmp-include with a system include directory])
-       AC_MSG_WARN([(such as /usr/include or /usr/local/include).])
-       AC_MSG_WARN([However since we can't use 'libtool' inside the configure,])
-       AC_MSG_WARN([we can't be sure. See 'config.log' for details.])
-       AC_MSG_WARN([CC="$CC"])
-       AC_MSG_WARN([CFLAGS="$CFLAGS"])
-       AC_MSG_WARN([CPPFLAGS="$CPPFLAGS"])
-       AC_MSG_WARN([LDFLAGS="$LDFLAGS"])
-       AC_MSG_WARN([LIBS="$LIBS"])
-       AC_MSG_WARN([Temporary LD_RUN_PATH was "$LD_RUN_PATH".])
-       AC_MSG_WARN([==========================================================])
-       ],AC_MSG_RESULT([can not test])
-   )
-   LD_RUN_PATH="$saved_LD_RUN_PATH"
+  saved_LD_RUN_PATH="$LD_RUN_PATH"
+  LD_RUN_PATH="${LD_RUN_PATH:+$LD_RUN_PATH$PATH_SEPARATOR}$gmp_lib_path"
+  export LD_RUN_PATH
+  AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <string.h>
+#include "gmp.h"
+  ]], [[
+  char buffer[100];
+  sprintf (buffer, "%d.%d.%d", __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR,
+           __GNU_MP_VERSION_PATCHLEVEL);
+  printf ("(%s/%s) ", buffer, gmp_version);
+  fflush (stdout);
+  /* Also put information in config.log (stderr) */
+  fprintf (stderr, "gmp.h: %s / libgmp: %s\n", buffer, gmp_version);
+  if (strcmp (buffer, gmp_version) == 0)
+    return 0;
+  if (__GNU_MP_VERSION_PATCHLEVEL != 0)
+    return 1;
+  sprintf (buffer, "%d.%d", __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR);
+  return (strcmp (buffer, gmp_version) != 0) ? 1 : 0;
+  ]])],
+   [AC_MSG_RESULT(yes)
+    MPFR_CHECK_GMP
+    MPFR_CHECK_DBL2INT_BUG
+    MPFR_CHECK_PRINTF_SPEC],
+   [AC_MSG_RESULT(no)
+    AC_MSG_WARN([==========================================================])
+    AC_MSG_WARN(['gmp.h' and 'libgmp' seem to have different versions or])
+    AC_MSG_WARN([we cannot run a program linked with GMP (if you cannot])
+    AC_MSG_WARN([see the version numbers above). A cause may be different])
+    AC_MSG_WARN([GMP versions with different ABI's or the use of --with-gmp])
+    AC_MSG_WARN([or --with-gmp-include with a system include directory])
+    AC_MSG_WARN([(such as /usr/include or /usr/local/include).])
+    AC_MSG_WARN([However since we can't use 'libtool' inside the configure,])
+    AC_MSG_WARN([we can't be sure. See 'config.log' for details.])
+    AC_MSG_WARN([CC="$CC"])
+    AC_MSG_WARN([CFLAGS="$CFLAGS"])
+    AC_MSG_WARN([CPPFLAGS="$CPPFLAGS"])
+    AC_MSG_WARN([LDFLAGS="$LDFLAGS"])
+    AC_MSG_WARN([LIBS="$LIBS"])
+    AC_MSG_WARN([Temporary LD_RUN_PATH was "$LD_RUN_PATH".])
+    AC_MSG_WARN([==========================================================])
+    ],AC_MSG_RESULT([can not test])
+  )
+  LD_RUN_PATH="$saved_LD_RUN_PATH"
 fi
 
 dnl __gmpn_sbpi1_divappr_q is an internal GMP symbol; thus its behavior