141 lines
6.1 KiB
Diff
141 lines
6.1 KiB
Diff
Add missing prototypes to test functions. Future compilers will not
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support implicit function declarations by default, causing spurious
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test failures.
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Submitted upstream:
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<https://lists.gnupg.org/pipermail/gcrypt-devel/2022-December/005410.html>
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diff --git a/configure.ac b/configure.ac
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index 6ea38f53b8548ee8..2baf25bc7d9481e6 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1211,7 +1211,8 @@ AC_CACHE_CHECK([whether GCC assembler is compatible for ARM assembly implementat
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/* Test if '.type' and '.size' are supported. */
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".size asmfunc,.-asmfunc;\n\t"
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".type asmfunc,%function;\n\t"
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- );]], [ asmfunc(); ] )],
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+ );
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+ void asmfunc(void);]], [ asmfunc(); ] )],
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[gcry_cv_gcc_arm_platform_as_ok=yes])
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fi])
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if test "$gcry_cv_gcc_arm_platform_as_ok" = "yes" ; then
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@@ -1238,7 +1239,8 @@ AC_CACHE_CHECK([whether GCC assembler is compatible for ARMv8/Aarch64 assembly i
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"eor x0, x0, x30, ror #12;\n\t"
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"add x0, x0, x30, asr #12;\n\t"
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"eor v0.16b, v0.16b, v31.16b;\n\t"
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- );]], [ asmfunc(); ] )],
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+ );
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+ void asmfunc(void);]], [ asmfunc(); ] )],
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[gcry_cv_gcc_aarch64_platform_as_ok=yes])
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fi])
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if test "$gcry_cv_gcc_aarch64_platform_as_ok" = "yes" ; then
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@@ -1267,7 +1269,8 @@ AC_CACHE_CHECK([whether GCC assembler supports for CFI directives],
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".cfi_restore_state\n\t"
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".long 0\n\t"
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".cfi_endproc\n\t"
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- );]])],
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+ );
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+ void asmfunc(void)]])],
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[gcry_cv_gcc_asm_cfi_directives=yes])])
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if test "$gcry_cv_gcc_asm_cfi_directives" = "yes" ; then
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AC_DEFINE(HAVE_GCC_ASM_CFI_DIRECTIVES,1,
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@@ -1666,7 +1669,8 @@ if test $amd64_as_feature_detection = yes; then
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[gcry_cv_gcc_as_const_division_ok],
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[gcry_cv_gcc_as_const_division_ok=no
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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- [[__asm__(".text\n\tfn:\n\t xorl \$(123456789/12345678), %ebp;\n\t");]],
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+ [[__asm__(".text\n\tfn:\n\t xorl \$(123456789/12345678), %ebp;\n\t");
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+ void fn(void);]],
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[fn();])],
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[gcry_cv_gcc_as_const_division_ok=yes])])
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if test "$gcry_cv_gcc_as_const_division_ok" = "no" ; then
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@@ -1679,7 +1683,8 @@ if test $amd64_as_feature_detection = yes; then
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[gcry_cv_gcc_as_const_division_with_wadivide_ok],
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[gcry_cv_gcc_as_const_division_with_wadivide_ok=no
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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- [[__asm__(".text\n\tfn:\n\t xorl \$(123456789/12345678), %ebp;\n\t");]],
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+ [[__asm__(".text\n\tfn:\n\t xorl \$(123456789/12345678), %ebp;\n\t");
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+ void fn(void);]],
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[fn();])],
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[gcry_cv_gcc_as_const_division_with_wadivide_ok=yes])])
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if test "$gcry_cv_gcc_as_const_division_with_wadivide_ok" = "no" ; then
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@@ -1715,7 +1720,8 @@ if test $amd64_as_feature_detection = yes; then
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* and "-Wa,--divide" workaround failed, this causes assembly
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* to be disable on this machine. */
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"xorl \$(123456789/12345678), %ebp;\n\t"
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- );]], [ asmfunc(); ])],
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+ );
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+ void asmfunc(void);]], [ asmfunc(); ])],
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[gcry_cv_gcc_amd64_platform_as_ok=yes])
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fi])
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if test "$gcry_cv_gcc_amd64_platform_as_ok" = "yes" ; then
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@@ -1734,7 +1740,8 @@ if test $amd64_as_feature_detection = yes; then
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".globl asmfunc\n\t"
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"asmfunc:\n\t"
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"xorq \$(1234), %rbp;\n\t"
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- );]], [ asmfunc(); ])],
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+ );
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+ void asmfunc(void);]], [ asmfunc(); ])],
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[gcry_cv_gcc_win64_platform_as_ok=yes])])
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if test "$gcry_cv_gcc_win64_platform_as_ok" = "yes" ; then
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AC_DEFINE(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS,1,
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@@ -1767,7 +1774,8 @@ AC_CACHE_CHECK([whether GCC assembler is compatible for Intel syntax assembly im
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"sub eax, [esp + 4];\n\t"
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"add dword ptr [esp + eax], 0b10101;\n\t"
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".att_syntax prefix\n\t"
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- );]], [ actest(); ])],
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+ );
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+ void actest(void);]], [ actest(); ])],
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[gcry_cv_gcc_platform_as_ok_for_intel_syntax=yes])
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fi])
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if test "$gcry_cv_gcc_platform_as_ok_for_intel_syntax" = "yes" ; then
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@@ -1832,6 +1840,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports NEON instructions],
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"vadd.u64 %q0, %q1;\n\t"
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"vadd.s64 %d3, %d2, %d3;\n\t"
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);
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+ void testfn(void);
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]], [ testfn(); ])],
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[gcry_cv_gcc_inline_asm_neon=yes])
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fi])
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@@ -1879,6 +1888,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AArch32 Crypto Extension i
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"vmull.p64 q0, d0, d0;\n\t"
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);
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+ void testfn(void);
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]], [ testfn(); ])],
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[gcry_cv_gcc_inline_asm_aarch32_crypto=yes])
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fi])
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@@ -1907,6 +1917,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AArch64 NEON instructions]
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"dup v0.8b, w0;\n\t"
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"ld4 {v0.8b,v1.8b,v2.8b,v3.8b},[x0],\#32;\n\t"
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);
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+ void testfn(void);
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]], [ testfn(); ])],
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[gcry_cv_gcc_inline_asm_aarch64_neon=yes])
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fi])
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@@ -1955,6 +1966,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AArch64 Crypto Extension i
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"pmull v0.1q, v0.1d, v31.1d;\n\t"
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"pmull2 v0.1q, v0.2d, v31.2d;\n\t"
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);
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+ void testfn(void);
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]], [ testfn(); ])],
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[gcry_cv_gcc_inline_asm_aarch64_crypto=yes])
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fi])
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@@ -2050,6 +2062,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports PowerPC AltiVec/VSX/crypto
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"vshasigmad %v0, %v1, 0, 15;\n"
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"vpmsumd %v11, %v11, %v11;\n"
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);
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+ void testfn(void);
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]], [ testfn(); ] )],
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[gcry_cv_gcc_inline_asm_ppc_altivec=yes])
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fi])
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@@ -2075,6 +2088,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports PowerISA 3.00 instructions
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"testfn:\n"
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"stxvb16x %r1,%v12,%v30;\n"
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);
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+ void testfn(void);
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]], [ testfn(); ])],
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[gcry_cv_gcc_inline_asm_ppc_arch_3_00=yes])
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fi])
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