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Autoconf: Update deps m4 macros #477

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Merged
marshallward merged 3 commits into from
Sep 1, 2023
Merged

Autoconf: Update deps m4 macros #477

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1e30a3b
Autoconf: Update deps m4 macros
marshallward Aug 29, 2023
b591425
Merge branch 'dev/gfdl' into m4_deps_fix
marshallward Aug 31, 2023
a66c9e6
Merge branch 'dev/gfdl' into m4_deps_fix
marshallward Sep 1, 2023
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45 changes: 45 additions & 0 deletions ac/deps/m4/ax_fc_check_c_lib.m4
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Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
dnl AX_FC_CHECK_C_LIB(LIBRARY, FUNCTION,
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
dnl [OTHER-LDFLAGS], [OTHER-LIBS])
dnl
dnl This macro checks if a C library can be referenced by a Fortran compiler.
dnl
dnl Results are cached in `ax_fc_cv_c_lib_LIBRARY_FUNCTION`.
dnl
dnl NOTE: Might be possible to rewrite this to use `AX_FC_CHECK_BIND_C`.
dnl
AC_DEFUN([AX_FC_CHECK_C_LIB], [
AS_VAR_PUSHDEF([ax_fc_C_Lib], [ax_fc_cv_c_lib_$1_$2])
m4_ifval([$5],
[ax_fc_c_lib_msg_LDFLAGS=" with $5"],
[ax_fc_c_lib_msg_LDFLAGS=""]
)
AC_CACHE_CHECK(
[for $2 in -l$1$ax_fc_c_lib_msg_LDFLAGS], [ax_fc_cv_c_lib_$1_$2], [
ax_fc_check_c_lib_save_LDFLAGS=$LDFLAGS
LDFLAGS="$6 $LDFLAGS"
ax_fc_check_c_lib_save_LIBS=$LIBS
LIBS="-l$1 $7 $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([],[dnl
dnl begin code block
interface
subroutine test() bind(c, name="$2")
end subroutine test
end interface
call test])
dnl end code block
],
[AS_VAR_SET([ax_fc_C_Lib], [yes])],
[AS_VAR_SET([ax_fc_C_Lib], [no])]
)
LDFLAGS=$ax_fc_check_c_lib_save_LDFLAGS
LIBS=$ax_fc_check_c_lib_save_LIBS
]
)
AS_VAR_IF([ax_fc_C_Lib], [yes],
[m4_default([$3], [LIBS="-l$1 $LIBS"])],
[$4]
)
AS_VAR_POPDEF([ax_fc_C_Lib])
])
13 changes: 7 additions & 6 deletions ac/deps/m4/ax_fc_check_lib.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ dnl library with different -L flags, or perhaps other ld configurations.
dnl
dnl Results are cached in the ax_fc_cv_lib_LIBRARY_FUNCTION variable.
dnl
AC_DEFUN([AX_FC_CHECK_LIB],[dnl
AC_DEFUN([AX_FC_CHECK_LIB],[
AS_VAR_PUSHDEF([ax_fc_Lib], [ax_fc_cv_lib_$1_$2])
m4_ifval([$6],
[ax_fc_lib_msg_LDFLAGS=" with $6"],
Expand All @@ -29,14 +29,15 @@ AC_DEFUN([AX_FC_CHECK_LIB],[dnl
LDFLAGS="$6 $LDFLAGS"
ax_fc_check_lib_save_LIBS=$LIBS
LIBS="-l$1 $7 $LIBS"
AS_IF([test -n $3],
AS_IF([test -n "$3"],
[ax_fc_use_mod="use $3"],
[ax_fc_use_mod=""])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([], [dnl
AC_LINK_IFELSE([dnl
dnl Begin 7-column code block
AC_LANG_PROGRAM([], [dnl
$ax_fc_use_mod
call $2]dnl
)
call $2])dnl
dnl End code block
],
[AS_VAR_SET([ax_fc_Lib], [yes])],
[AS_VAR_SET([ax_fc_Lib], [no])]
Expand Down