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author | Paul Eggert <eggert@cs.ucla.edu> | 2022-11-17 09:03:06 -0800 |
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committer | Cosmin Truta <ctruta@gmail.com> | 2022-11-20 23:20:10 +0200 |
commit | 074e2eaab0e2f200d6441c4e37bd8d682d1548d8 (patch) | |
tree | b10afc9ee299f15a8be0d47fdaa42db3c60058a0 | |
parent | 790fef342b83770450c56828a65c22641f04114d (diff) | |
download | libpng-074e2eaab0e2f200d6441c4e37bd8d682d1548d8.tar.gz |
configure: Fix possible regressions with trunk autoconf (vs 2.71)
Signed-off-by: Cosmin Truta <ctruta@gmail.com>
-rw-r--r-- | configure.ac | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 58dddd80a..a553f8a91 100644 --- a/configure.ac +++ b/configure.ac @@ -138,7 +138,8 @@ AC_STRUCT_TM AC_C_RESTRICT # Checks for library functions. -AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_MSG_ERROR(cannot find pow))) +AC_CHECK_FUNCS([pow], , + [AC_CHECK_LIB([m], [pow], , [AC_MSG_ERROR([cannot find pow])])]) # Some later POSIX 1003.1 functions are required for test programs, failure # here is soft (the corresponding test program is not built). @@ -150,8 +151,9 @@ AC_ARG_WITH(zlib-prefix, [prefix that may have been used in installed zlib]), [ZPREFIX=${withval}], [ZPREFIX='z_']) -AC_CHECK_LIB(z, zlibVersion, , - AC_CHECK_LIB(z, ${ZPREFIX}zlibVersion, , AC_MSG_ERROR(zlib not installed))) +AC_CHECK_LIB([z], [zlibVersion], , + [AC_CHECK_LIB([z], [${ZPREFIX}zlibVersion], , + [AC_MSG_ERROR([zlib not installed])])]) # The following is for pngvalid, to ensure it catches FP errors even on # platforms that don't enable FP exceptions, the function appears in the math |